Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - GITNHSI
The answer to this puzzle is:
Words: HISTING, SITING, NIGHS, HINTS, TINGS, THINS, INTIS, THIS, HISN, HITS, SINH, NITS, GITS, TINS, HINT, SING, HINS, GINS, GIST, GHIS, HIST, INTI, NIGH, NISI, SHIN, SHIT, SITH, SNIT, TING, NTH, NIT, ITS, INS, HIS, GIT, SIT, GIN
Bonus words:
HISTING, SITING, NIGHS, HINTS, TINGS, THINS, INTIS, THIS, HISN, HITS, SINH, NITS, GITS, TINS, HINT, SING, HINS, GINS, GIST, GHIS, HIST, INTI, NIGH, NISI, SHIN, SHIT, SITH, SNIT, TING, NTH, NIT, ITS, INS, HIS, GIT, SIT, GIN