Based on tasse, new words formed by adding one letter at the beginning or end:
b - aesst c - basest d - basset e - bastes f - beasts g - castes h - cestas i - stades k - steads l - tsades m - feasts n - safest p - sagest r - stages s - hastes t - tassie u - stakes v - steaks w - leasts y - slates
