Solutions :

3-letter words (1 point): 50

AKE; ALE; AZO; EEK; EHS; EKE; ERE; ERS; ESS; EST; HES; HOA; HOE; HOS; HOT; KAE; KEA; KOA; LEA; LES; LEZ; OAK; OES; OHO; OHS; OKA; OKE; OLE; ORE; ORS; OSE; REE; REZ; ROE; ROT; SEA; SEL; SEZ; SHE; SOH; SOS; SOT; TOE; TOR; ZEA; ZEE; ZEK; ZEL; ZOA; ZOS.

4-letter words (1 point): 68

AERO; AKEE; ALES; ALOE; EALE; EROS; ERST; ESTS; HEAL; HELO; HEST; HOES; HOLE; HORE; HORS; HOSE; HOSS; HOST; HOTS; KAES; KALE; KERO; KOEL; KOLA; KOLO; LAER; LAKE; LAZE; LAZO; LEAK; LESS; LEST; LOKE; OHOS; OLEA; OLEO; OLES; REAK; REAL; REEK; REKE; ROES; ROSE; ROST; ROTS; SEAL; SHEA; SHOE; SHOT; SOAK; SOHO; SOHS; SORE; SOTS; STOA; TOEA; TOES; TOHO; TORE; TORS; TOSE; TOSH; TOSS; TOZE; ZEAL; ZERO; ZEST; ZOEA.

5-letter words (2 points): 38

AEROS; ALOES; EALES; EROSE; HESTS; HOLES; HORST; HOSEL; HOSTS; KALES; KEROS; LAERS; LAKER; LAZES; LAZOS; LEAZE; LESTS; LOESS; OAKER; OLEOS; REALO; ROSTS; SEAZE; SHEAL; SHEOL; SHOAL; SHOLA; SHORE; SHOTS; SOREE; STOAE; STORE; TOAZE; TOZES; ZEROS; ZESTS; ZOEAE; ZOEAL.

6-letter words (3 points): 12

HORSTS; KOLHOZ; LAKERS; LAZOES; LEAKER; LESSOR; OAKERS; REALES; ROSEAL; SOAKER; TOAZES; ZEROES.

7-letter words (7 points): 4

LEAKERS; REALEST; ROSEOLA; SOAKERS.

8-letter word (11 points): 1

KOLHOZES.