45 words of 3 letters (1 points):BIS; DEF; DEL; EDS; ELF; ELM; ELS; EMS; EMU; ERF; ERR; FED; FEM; FER; FES; FIB; FIL; FLU; ISM; LED; LES; LIB; LIS; MED; MEL; MES; MUS; PSI; PUS; RED; REF; REM; RES; SED; SEL; SER; SIB; SIF; SUM; SUP; SUS; ULE; UMP; UPS; USE.

42 words of 4 letters (1 points):BILE; BISE; BLED; DEFI; DELF; DELI; DELS; DESI; ELMS; EMUS; FEDS; FEMS; FIBS; FILE; FILM; FILS; FLED; ISLE; ISMS; LIBS; LIFE; LISP; MEDS; MELS; MERL; MUSE; REDS; REMS; SELF; SELS; SERF; SERR; SILE; SLED; SUMP; SUMS; SUPS; ULES; UMPS; USED; USER; USES.

26 words of 5 letters (2 points):BILED; BILES; BISES; DEFIS; DELIS; FILED; FILER; FILES; FILMS; FREMD; ISLED; ISLES; LIFER; LIFES; MERLS; MUSED; MUSER; MUSES; PUSES; PUSLE; SILED; SILER; SILES; SLEDS; SPUME; SUMPS.

9 words of 6 letters (3 points):FILMED; FILMER; FREMDS; PUSLED; PUSLES; REFILM; SPUMED; SPUMES; USEFUL.

4 words of 7 letters (5 points):MUSEFUL; REFILMS; SELFISM; USEFULS.