Previous solution:
ahs, ale, ales, ash, hale, hales, has, heal, heals, lah, lase, lash, lea, leas, leash, sal, sale, sea, seal, selah, shale, she, shea
ahs, ale, ales, ash, hale, hales, has, heal, heals, lah, lase, lash, lea, leas, leash, sal, sale, sea, seal, selah, shale, she, shea