SMALTO is a playable word

smalto Scrabble® Dictionary

noun
pl. smaltos or smalti
colored glass used in mosaics
90 Playable Words can be made from "SMALTO"
   2-Letter Words (13 found)
   3-Letter Words (25 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)