Solutions :

Il y a 18 mots de 3 lettres (1 point) :

BIS; BIT; BUS; CIS; CRI; EST; FUI; FUS; QIS; RIB; RIS; RIT; SIC; SIR; SIS; TIC; TIR; TRI.

Il y a 22 mots de 4 lettres (1 point) :

BISE; BITS; BUIS; CRIB; CRIS; FUIR; FUIS; FUIT; ISSU; RIBS; RISS; RITS; SCIE; SIRS; SISE; SUBI; SUIS; SUIT; TICS; TIRS; TISE; TRIS.

Il y a 15 mots de 5 lettres (2 points) :

BISSE; BITIS; BUSSE; CRIBS; CRISE; CRISS; FUSSE; RISSE; SCIES; SUBIR; SUBIS; SUBIT; TISSE; TISSU; TRIBU.

Il y a 6 mots de 6 lettres (3 points) :

CRISSE; FUISSE; SUBITS; SUISSE; TRIBUS; TRISSE.

Il y a 1 mot de 7 lettres (7 points) :

SUBISSE.