Solutions :

Boggle N A Q V O E H E N D Y E I I D U

3-letter words (1 point): 38

ANE; DEE; DEN; DEY; DID; DIN; DOE; DON; DUE; DYE; EAN; EDH; END; EON; EYE; HAE; HAN; HAO; HEN; HEY; HYE; IDE; NAE; NAH; NED; NID; NOD; NON; ODD; ODE; ONE; UEY; VEE; YEA; YEH; YEN; YID; YIN.

4-letter words (1 point): 41

AEON; AHED; ANON; DEAN; DEEV; DENI; DIDO; DIDY; DINE; DINO; DOEN; DONA; DONE; DYED; EDDO; EDDY; EHED; EOAN; EYED; EYEN; HAED; HAEN; HEED; HEND; HYED; HYEN; IDEA; IDEE; NEON; NIDE; NIDI; NOAH; NODE; NODI; NONA; NONE; NONI; ODEA; YEAH; YEAN; YEED.

5-letter words (2 points): 8

ANODE; DINED; DONAH; HEEDY; HEYED; HYENA; NEDDY; NODDY.