Solutions :

3-letter words (1 point): 43

ADS; AFT; ALE; ALS; AVE; DAE; DAL; DAS; EAS; EEN; ELD; ELS; EMU; END; ENE; ENS; EST; FAD; FAE; FAS; LAD; LAS; LAV; LEA; LES; MEE; MEN; MES; MEU; NEE; SAD; SAE; SAL; SAV; SEA; SEE; SEL; SEN; UVA; VAE; VAS; VEE; VUM.

4-letter words (1 point): 67

ALES; AVES; DAES; DAFT; DALE; DALS; EALE; EASE; EAST; EAVE; ELDS; ELSE; ENDS; ENES; ESNE; FADS; FAST; FAVE; LADS; LASE; LAST; LAVE; LAVS; LEAD; LEAF; LEAS; MEAD; MEAL; MEES; MEND; MENE; MENT; MESA; MESE; NEAL; NEEM; NEST; NEUM; SADS; SAFT; SALE; SALS; SAVE; SAVS; SEAL; SEAS; SEEM; SEEN; SELD; SELS; SEND; SENE; SENT; SLAE; SNEE; UVAE; UVAS; UVEA; VAES; VALE; VASE; VAST; VEAL; VEES; VEND; VENT; VEST.

5-letter words (2 points): 43

AVENS; DALES; DAVEN; EALES; EASEL; EASLE; EAVES; FALSE; FAVES; LAVES; LEADS; LEAFS; LEASE; LEAST; LEAVE; MEADS; MEALS; MEASE; MENDS; MENES; MENSA; MENSE; MESAL; MESAS; MESNE; NEALS; NEUME; SALES; SALSE; SAVES; SEALS; SEASE; SLAES; SLAVE; SNEAD; UVEAL; UVEAS; VALES; VALSE; VEALE; VEALS; VENDS; VENTS.

6-letter words (3 points): 16

DAVENS; EASELS; EASLES; ENSEAL; FAVEST; LEAVEN; LEAVES; MEASLE; MENSAE; MENSAL; MENSAS; NEUMES; SENDAL; SLAVES; SLEAVE; VEALES.

7-letter words (7 points): 7

ENDLEAF; ENSEALS; ENSLAVE; LEAVENS; MEASLES; SENDALS; SLEAVES.

8-letter words (11 points): 2

ENDLEAFS; SELDSEEN.

9-letter word (11 points): 1

ENDLEAVES.