Previous solution:
abs, ahs, ash, ats, bah, baht, bas, bash, bast, bat, bath, baths, bats, has, hast, hat, hats, sat, stab, tab, tabs
abs, ahs, ash, ats, bah, baht, bas, bash, bast, bat, bath, baths, bats, has, hast, hat, hats, sat, stab, tab, tabs