Based on sod, new words formed by adding one letter at the beginning or end:
a - ados soda b - bods c - cods docs e - does dose odes g - dogs gods h - hods shod l - dols olds sold m - doms mods n - dons nods p - pods r - dors rods sord t - dost dots tods u - duos ouds udos w - dows y - yods
