Based on rheas, new words formed by adding one letter at the beginning or end:
b - aehrs c - basher d - rehabs e - arches f - chares g - chaser h - eschar i - search k - dasher l - shader m - shared o - haeres p - hearse r - afresh s - gasher t - gerahs v - rehash w - ashier y - kasher z - shaker
