Hello everyone, nice to welcome you on our site, this page even has Level 6 answers. I enjoy it =D
Level 6 - IRTRSANE
The answer to this puzzle is:
Words: STRAINER, TERRAINS, RESTRAIN, RETRAINS, ANTSIER, RETSINA, STEARIN, TARRIES, ARTSIER, RATINES, SIERRAN, STAINER, RETRAIN, RETINAS, ANESTRI, NASTIER, ERRANTS, RANTERS, STERNA, INTERS, TENIAS, IRATER, TRINES, STARER, SIERRA, SANTIR, ARSINE, AIRERS, ARISEN, RANTER, STRIAE, TRIERS, TERRAS, RAISER, RAREST, TISANE, ESTRIN, RASTER, SINTER, RATERS, SEITAN, ASTERN, RINSER, SATIRE, INSTAR, RISTRA, TERAIS, NITRES, SNARER, TINEAS, AIREST, RATINE, TRIENS, NITERS, TARRES, ARTIER, INERTS, ANTRES, RESAT, RATER, NITES, ARRIS, ANISE, NERTS, SERIN, TRIES, ANTES, RETIA, NEARS, ANTIS, STRIA, STARE, TERAI, NEATS, ASTIR, NARES, INTER, REINS, AIRTS, TERNS, ANTRE, TIRES, TINEA, TRAIN, SANER, SENTI, TRINE, NITRE, RARES, TENIA, ETNAS, NATES, SARIN, REARS, AIRNS, SERAI, TAINS, TRIER, TINES, STERN, RISER, TARRE, STEIN, RISEN, STANE, RANIS, INERT, TARSI, TARES, RERAN, EARNS, STAIN, NARIS, RESIT, NEIST, RASER, TRANS, RESIN, SATIN, NITER, AIRER, RAISE, ARISE, SIREN, RIANT, STAIR, INSET, ENTIA, ASTER, RANTS, IRATE, TIERS, SAINT, RINSE, RENTS, RATES, RAINS, SIRRA, RITES, TEARS, TARNS, AITS, AINS, SETA, AIRT, TARS, ERNS, AIRN, RIAS, SNIT, ERRS, ETAS, ATES, RINS, ANES, TERN, ETNA, REAR, EATS, STIR, REIN, RITE, TENS, TARE, NETS, RATS, NEAT, TEAR, TIER, EARS, TIES, TIRE, RENT, ANTS, REST, SEAT, EAST, SITE, ARTS, SENT, RATE, RARE, RAIN, RISE, NEAR, IRAN, EARN, STAR, ANTI, SARI, NEST, SINE, SIRE, ARSE, SERA, ANIS, ANTE, REIS, TAIN, NITS, RANI, TSAR, ARES, TANS, TARN, NITE, SATE, SAIN, SEAR, TRES, RANT, TINS, TINE, AIRS, TEAS, ERAS, ERST, SANE, TEA, TIE, EAR, ART, NET, TIN, ITS, TAN, ANT, RAT, SEA, ERA, ERR, SEN, ETA, INS, RES, IRE, ATE, NIT, TAR, RAN, EAT, SIT, SIN, SIR, ANI, SAT, SER, ARE, SET, AIR, TEN
Bonus words:
STRAINER, TERRAINS, RESTRAIN, RETRAINS, ANTSIER, RETSINA, STEARIN, TARRIES, ARTSIER, RATINES, SIERRAN, STAINER, RETRAIN, RETINAS, ANESTRI, NASTIER, ERRANTS, RANTERS, STERNA, INTERS, TENIAS, IRATER, TRINES, STARER, SIERRA, SANTIR, ARSINE, AIRERS, ARISEN, RANTER, STRIAE, TRIERS, TERRAS, RAISER, RAREST, TISANE, ESTRIN, RASTER, SINTER, RATERS, SEITAN, ASTERN, RINSER, SATIRE, INSTAR, RISTRA, TERAIS, NITRES, SNARER, TINEAS, AIREST, RATINE, TRIENS, NITERS, TARRES, ARTIER, INERTS, ANTRES, RESAT, RATER, NITES, ARRIS, ANISE, NERTS, SERIN, TRIES, ANTES, RETIA, NEARS, ANTIS, STRIA, STARE, TERAI, NEATS, ASTIR, NARES, INTER, REINS, AIRTS, TERNS, ANTRE, TIRES, TINEA, TRAIN, SANER, SENTI, TRINE, NITRE, RARES, TENIA, ETNAS, NATES, SARIN, REARS, AIRNS, SERAI, TAINS, TRIER, TINES, STERN, RISER, TARRE, STEIN, RISEN, STANE, RANIS, INERT, TARSI, TARES, RERAN, EARNS, STAIN, NARIS, RESIT, NEIST, RASER, TRANS, RESIN, SATIN, NITER, AIRER, RAISE, ARISE, SIREN, RIANT, STAIR, INSET, ENTIA, ASTER, RANTS, IRATE, TIERS, SAINT, RINSE, RENTS, RATES, RAINS, SIRRA, RITES, TEARS, TARNS, AITS, AINS, SETA, AIRT, TARS, ERNS, AIRN, RIAS, SNIT, ERRS, ETAS, ATES, RINS, ANES, TERN, ETNA, REAR, EATS, STIR, REIN, RITE, TENS, TARE, NETS, RATS, NEAT, TEAR, TIER, EARS, TIES, TIRE, RENT, ANTS, REST, SEAT, EAST, SITE, ARTS, SENT, RATE, RARE, RAIN, RISE, NEAR, IRAN, EARN, STAR, ANTI, SARI, NEST, SINE, SIRE, ARSE, SERA, ANIS, ANTE, REIS, TAIN, NITS, RANI, TSAR, ARES, TANS, TARN, NITE, SATE, SAIN, SEAR, TRES, RANT, TINS, TINE, AIRS, TEAS, ERAS, ERST, SANE, TEA, TIE, EAR, ART, NET, TIN, ITS, TAN, ANT, RAT, SEA, ERA, ERR, SEN, ETA, INS, RES, IRE, ATE, NIT, TAR, RAN, EAT, SIT, SIN, SIR, ANI, SAT, SER, ARE, SET, AIR, TEN