Hello everyone, nice to welcome you on our site, this page even has Level 1 answers. I enjoy it =D
Level 1 - RIPHTUM
The answer to this puzzle is:
Words: THRIP, THRUM, MIRTH, HURT, RUTH, PITH, PURI, RUMP, HUMP, PRIM, PTUI, THRU, RIM, HIM, HUM, RUT, PHI, HUT, PIT, UMP, PIU, TIP, RUM
Bonus words:
THRIP, THRUM, MIRTH, HURT, RUTH, PITH, PURI, RUMP, HUMP, PRIM, PTUI, THRU, RIM, HIM, HUM, RUT, PHI, HUT, PIT, UMP, PIU, TIP, RUM