Solutions :

3-letter words (1 point): 70

AAS; ACE; ACT; ASP; ATE; AWA; AWE; COP; COT; COW; EAS; EAT; ECO; ETA; EWE; EWT; HOE; HOP; HOS; HOT; OCA; OES; OPE; OPS; OPT; OSE; OWE; OWT; PEA; PES; PEW; PHO; PHT; POA; POH; POS; POT; POW; SAE; SAW; SEA; SEW; SOH; SOP; SOT; TAE; TAV; TAW; TEA; TEC; TEW; THO; TOC; TOE; TOP; TOT; TOW; TWA; TWO; TWP; VAE; VAT; VAW; WAE; WAS; WAT; WET; WOE; WOP; WOT.

4-letter words (1 point): 54

ASEA; ATOC; ATOP; AWES; COPE; COPS; COTE; COTH; COWP; EPOS; EWES; HOES; HOPE; HOPS; HOSE; OPES; OWES; PEAS; PEAT; PESO; PHOS; PHOT; POET; POSE; POTE; SEAT; SEPT; SOPH; SOTH; SPEW; SPOT; TAES; TAWA; TOEA; TOES; TOPE; TOPH; TOPO; TOPS; TOSA; TOSE; TOTE; TOWT; TWAE; TWAS; VAES; WAES; WASE; WASP; WATE; WEPT; WETA; WOES; WOPS.

5-letter words (2 points): 17

ACETA; AWATO; AWETO; COPES; COPSE; COWPS; HOPES; PHOTO; POTAE; SPEAT; TAWAS; THOSE; TOEAS; TOPES; TOPOS; TWAES; VAWTE.

6-letter words (3 points): 4

COWPEA; HOTPOT; POTAES; POTHOS.

7-letter word (7 points): 1

COWPEAS.