Solutions :

3-letter words (1 point): 34

AAS; ABS; ASS; BAA; BAC; BAS; BEL; BES; BIN; BIS; CAA; CAB; EFS; ELS; ESS; FES; INK; KIN; KIS; LES; NIB; NIS; NIX; SAB; SAC; SAX; SEL; SIB; SIK; SIN; SIS; SIX; SKI; XIS.

4-letter words (1 point): 32

ABLE; AXIS; BAAS; BACS; BASS; BELS; BINK; BISE; BISK; CAAS; CABS; CASA; CLEF; FESS; INKS; ISBA; ISLE; KIBE; KISS; LESS; NIBS; NISI; SABE; SABS; SCAB; SELS; SESS; SIBS; SINK; SISS; SKIN; SKIS.

5-letter words (2 points): 25

ABLES; ASSES; BASIN; BASIS; BASSE; BASSI; BINKS; BISES; BISKS; BLESS; CABIN; CABLE; CLEFS; ELSIN; ISBAS; ISLES; KIBES; NISSE; SABES; SABIN; SABLE; SCABS; SESSA; SINKS; SISES.

6-letter words (3 points): 12

AXISES; BASSES; CABLES; CASINI; CASSIS; INISLE; ISABEL; KISSEL; KISSES; NISSES; SABLES; SISKIN.

7-letter words (7 points): 3

INISLES; ISABELS; SACLESS.

8-letter word (11 points): 1

KISSABLE.