43 words of 3 letters (1 points):BEN; BES; BIN; BIO; BIS; BOI; BOS; EFS; ELS; FES; FEU; FIB; FIE; FIL; FIN; IFS; IOS; ISO; LEI; LES; LEU; LIB; LIE; LIS; NEB; NIB; NIE; NIS; OBE; OBI; OBS; OIL; OSE; SEI; SEL; SEN; SIB; SIF; SIN; SIS; SOB; SUE; SUI.

47 words of 4 letters (1 points):BEIN; BENI; BIEN; BILE; BINE; BIOS; BISE; BOIL; BOIS; EINE; ELSE; FEIS; FEUS; FIBS; FILE; FILS; FINE; FINI; FUEL; IBIS; ISLE; LEIS; LIBS; LIEF; LIES; LIEU; LIFE; NEBS; NEIF; NIBS; NIEF; NIES; NIFE; NISI; OBES; OBIS; OILS; SEIF; SEIL; SEIS; SIBS; SIEN; SIES; SILE; SINE; SOIL; SUES.

24 words of 5 letters (2 points):BENIS; BILES; BINES; BOILS; EISEL; ELSIN; ESILE; FILES; FINES; FINIS; FUELS; ILEUS; LESBO; LIEFS; LIEUS; LIFES; NEIFS; NIEFS; NIFES; NISEI; OBESE; SEIFS; SEINE; SINES.

4 words of 6 letters (3 points):ENISLE; INISLE; NISEIS; SEISIN.