Solutions :

3-letter words (1 point): 41

ADS; AGE; AGS; AIL; AIS; ALA; ALT; DAL; DEG; DEI; DEL; ELD; ELL; ELS; ELT; GAL; GAS; GAT; GED; GEL; GIE; GIS; ILL; LAD; LAG; LAS; LAT; LED; LEG; LEI; LIE; LIG; LIS; SAG; SAI; SAL; SAT; TAD; TAG; TAI; TAS.

4-letter words (1 point): 57

AGED; AILS; ALAS; ALGA; ALTS; DALT; DATA; DEGS; DEIL; DELI; DELL; DELS; DELT; EGAL; EGIS; EILD; ELLS; ELTS; GALA; GATS; GELD; GELS; GELT; GIED; GILD; GILL; GILT; GLAD; GLED; GLEI; GLIA; ILLS; LADS; LAGS; LATS; LEGS; LEIS; LIAS; LIED; LIGS; SAGE; SAGS; SAIL; SALT; SIAL; SILD; SILE; SILL; SILT; SLED; STAG; TADS; TAGS; TAIG; TAIL; TAIS; TALA.

5-letter words (2 points): 34

AGILE; AILED; ALGAS; ATLAS; DALTS; DATAL; DEGAS; DEILS; DELIS; DELLS; DELTA; DELTS; GELTS; GILLS; GILTS; GLADS; GLEIS; GLIAL; GLIAS; LEGAL; SAILS; SALAD; SALTS; SIELD; SIGLA; SILED; SILLS; SILTS; STAGE; STAGS; STAIG; TAIGS; TAILS; TALAS.

6-letter words (3 points): 11

DALASI; DELTAS; GILLED; SAILED; SALADS; STAGED; STAIGS; STALAG; TAIGLE; TAILED; TAILLE.

7-letter words (7 points): 3

ILLEGAL; STALAGS; TAIGLED.