Solutions :

3-letter words (1 point): 38

AID; AIS; AVO; DEE; DEI; DEL; DIE; DIS; DIV; EDS; EEL; ELD; ELT; IDE; IDS; LED; LEE; LEI; LES; LET; LEU; LID; LIE; OVA; SAI; SAV; SED; SEI; SEL; TED; TEE; TEL; TIE; VAS; VIA; VID; VIE; VIS.

4-letter words (1 point): 50

AIDE; AIDS; AVID; DEET; DEIL; DELE; DELI; DELT; DESI; DIEL; DIES; DIET; DISA; DIVA; DIVI; DIVS; EIDE; EILD; ELDS; EUOI; IDEE; IDES; IDLE; LEET; LEIS; LIDS; LIED; LIES; QUID; QUIT; SAID; SEIL; SELD; SELE; SIDE; TEDS; TEED; TEEL; TELD; TELE; TIED; VASE; VIAS; VIDE; VIDS; VIED; VIES; VISA; VISE; VOID.

5-letter words (2 points): 24

AIDES; ASIDE; AVISE; AVOID; DELES; DIVAS; DIVIS; EDILE; EILDS; EISEL; ELIDE; IDLES; IVIED; IVIES; OIDIA; QUIDS; QUIET; QUITE; SIDLE; SIELD; TEIID; TELES; VISED; VOIDS.

6-letter words (3 points): 11

AVISED; AVOIDS; DELETE; EDILES; ELIDES; QUITED; SEDILE; SEIDEL; SEILED; TEIIDS; VOIDEE.

7-letter word (7 points): 1

QUIETED.