Solutions :

3-letter words (1 point): 46

ADD; ALE; ALT; CID; CIS; DAD; DAL; DEI; DEL; DID; DIE; DIS; EIK; EKE; ELD; ELT; EST; ICE; ICK; ICY; IDE; JET; KED; KET; KID; KIS; LAD; LED; LEI; LEK; LES; LET; SEC; SED; SEI; SEL; SET; SIC; SIK; SKI; TEC; TED; TEL; TES; TSK; YID.

4-letter words (1 point): 59

ADDY; ALES; CIDE; CIEL; DALE; DALT; DEID; DEKE; DELT; DESK; DICE; DICK; DIDY; DIED; DIEL; DIES; DIET; DIKE; DISC; EDDY; EIDE; EIKS; EKED; EKES; ICES; IDES; IDLE; JEDI; JEST; KELT; KEST; KETS; LADE; LADY; LEIS; LEKE; LEKS; LEST; SECS; SEIK; SEIS; SEKT; SELD; SICE; SICK; SIDA; SIDE; SIES; SIKE; SKET; SKID; SKIS; SYCE; TECS; TEDY; TELA; TELD; TEST; YIKE.

5-letter words (2 points): 37

ADDED; ADDLE; CIDED; CIDES; DALED; DALES; DEDAL; DEICE; DEKES; DICES; DICKS; DIETS; DIKED; DIKES; EIKED; IDLED; IDLES; JEDIS; KIDDY; KIDEL; LADED; LADES; SICES; SICKS; SIDED; SIDES; SIDLE; SIELD; SIKES; SKIED; SYCES; TEDDY; TESTE; TSKED; YIELD; YIKED; YIKES.

6-letter words (3 points): 21

ADDIES; ADDLED; ADDLES; DEICES; DICKED; DIESEL; EDDIES; IDLEST; KIDDED; KIDDLE; KIDLET; LADDIE; LADIES; SECKEL; SEIDEL; SICKED; SIDLED; SIDLES; SKIDDY; TECKEL; TEDDIE.

7-letter words (7 points): 6

KIDDLES; LADDIES; SICKEST; SKIDDED; TEDDIES; TEDIEST.