Solutions :

3-letter words (1 point): 59

ABO; ALE; ALF; ALS; BAL; BOA; BOO; DOE; DOF; DOL; DON; DOO; DUN; DUO; EEL; EEN; ELD; ELF; ELS; END; ENE; EON; FAB; FAE; FEE; FEN; FES; FOB; FOE; FON; FOU; LAB; LEA; LEE; LES; LOD; NEE; NEF; NOD; NON; NOO; NUN; OAF; OBA; OES; OLD; OLE; ONE; ONO; OOF; OON; OUD; SEA; SEE; SEL; SEN; UDO; ZOA; ZOO.

4-letter words (1 point): 71

AEON; ALEE; ALEF; ALES; BAEL; BALE; BALS; BOON; BOZO; DOEN; DOES; DOLE; DONE; DOOB; DOUN; DUNE; EALE; EELS; ELSE; ENES; ENOL; FEAL; FEEL; FEEN; FEES; FEND; FEOD; FLAB; FLEA; FLEE; FOAL; FOEN; FOES; FOND; FONE; FOOD; FOUD; LEAF; LEAL; LEES; LEND; LENO; LONE; NEAL; NEON; NOEL; NOES; NOLE; NONE; NOUN; OLEA; OLEO; OLES; ONES; OUZO; SEAL; SEEL; SEEN; SELD; SELE; SELF; SEND; SENE; SLAB; SLAE; SLEE; UDON; UNDO; ZOEA; ZONE; ZOON.

5-letter words (2 points): 27

ABOON; BAELS; BALES; DOLES; DONEE; DUNES; EALES; FALSE; FEALS; FEELS; FELON; FLEES; FOALS; FONDU; FOUND; LENES; LEONE; NEALS; NEELD; NOELS; NOLES; NONES; OZONE; SEELD; ZOEAL; ZONES; ZOOEA.

6-letter words (3 points): 10

BALEEN; BOODLE; DONEES; FONDLE; LEONES; OODLES; OZONES; UNDOES; UNLEAL; ZOOEAL.

7-letter words (7 points): 6

BOODLES; ENDLEAF; ENDOZOA; FONDLES; ONESELF; SEAFOOD.