Solutions :

3-letter words (1 point): 36

ATE; ATT; AUE; AXE; DAD; DAE; DUE; DUN; DUO; DUX; EAT; EAU; END; EON; ETA; EXO; NET; NOX; OAT; ONE; OUD; OUT; SOT; SOU; TAD; TAE; TAO; TAU; TAX; TEN; TET; TEX; TOT; UTA; UTE; UTS.

4-letter words (1 point): 40

AUNE; AUTO; AXON; DADA; DATE; DATO; DAUD; DAUT; DEAD; DUAD; DUED; DUNE; DUOS; EATS; EAUX; EXON; NETS; NETT; NEXT; NUDE; OATS; OUTS; OXEN; SOUT; STEN; STET; STOA; STOT; STUD; TAED; TAOS; TEND; TETS; TEXT; TOAD; TOST; TOTE; TOTS; TOUT; UNDE.

5-letter words (2 points): 23

AUDAD; AUTOS; AXONE; DATOS; DATTO; DAUTS; EATEN; ENDED; ETUDE; EXUDE; NETTS; NEXTS; OATEN; STADE; STEND; STENO; STOAE; STOAT; STOUT; TAXON; TENDU; TEXTS; TOUTS.

6-letter words (3 points): 7

ADNEXA; ATTEND; DATTOS; EXUDED; TENDED; UNDATE; UNDEAD.

7-letter words (7 points): 3

STENDED; STOUTEN; TOSTADA.

8-letter word (11 points): 1

ATTENDED.