Solutions :

3-letter words (1 point): 77

AAS; ABO; AKE; ANA; ANE; ARB; ARF; ARS; BAA; BAN; BAR; BAS; BOA; BOH; BOK; BOR; BOS; BRA; BRO; EAN; EAR; EAS; EFS; ELF; ELS; ENS; FES; FOB; FOH; FOR; FRA; FRO; HOB; HOS; KAB; KAE; KAS; KEA; KEN; KOA; KOB; KOR; LES; MAA; MAE; MAN; MAX; MNA; NAB; NAE; NAM; NAS; NEK; OAK; OAR; OBA; OBO; OKA; OKE; ORA; ORB; ORF; ORS; OSE; RAN; RAS; RHO; ROB; ROE; ROK; SAB; SAE; SAN; SAR; SEL; SOB; SOH.

4-letter words (1 point): 90

ABOS; ANAS; ANSA; ARFS; ARNA; ARSE; AXLE; BAKE; BANE; BANS; BARF; BARN; BARS; BASE; BOAK; BOAR; BOAS; BOKE; BORA; BORN; BORS; BRAE; BRAK; BRAN; BRAS; BROS; EANS; EARN; EARS; EASE; ELFS; EOAN; ESNE; FORA; FORB; FRAB; FRAE; FRAS; FROE; FROS; HOBO; HORA; HORN; HORS; HOSE; KANA; KANE; KANS; KARN; KARO; KEAS; KENS; KOAN; KOAS; KOBO; KORA; KORO; KORS; MAAR; MAAS; MANA; MANE; MANS; MNAS; NAAM; NEAR; OARS; OBAS; OBOE; OBOS; OKAS; ORFE; ORFS; OSAR; RAKE; RANA; RASE; RHOS; ROAN; ROKE; ROSE; SAKE; SANE; SELF; SNAB; SNAR; SOBA; SORA; SORB; SORN.

5-letter words (2 points): 41

ABHOR; ANEAR; ANSAE; AROSE; AXLES; BAKEN; BARFS; BARNS; BOARS; BORAK; BORAS; BORNA; BORNE; BRAKE; BRANS; BROKE; BROSE; EARNS; EASEL; EASLE; HORAS; HORNS; HORSE; HOSEL; KANAE; KARNS; KOANS; KOBAN; KOBOS; KORAS; MAARS; MANAS; MANSE; NEARS; OAKEN; ORFES; ROANS; SNAKE; SNARF; SNEAK; SORBO.

6-letter words (3 points): 10

ABHORS; ABORNE; ANEARS; BORANE; BRANLE; BROKEN; FORANE; FRAENA; KOBANS; RANSEL.

7-letter words (7 points): 5

BRANLES; BRANSLE; FORSAKE; HOROEKA; SOROBAN.

8-letter word (11 points): 1

FORSAKEN.