Elk, kelk,† whelk, etc.

ELM.

Elm, helm, realm, whelm, overwhelm, etc.

ELP.

Help, whelp, kelp,* yelp, etc.

ELT.

Belt, gelt,|| melt, felt, welt,¶ smelt, pelt, dwelt, dealt.

ELVE.

Delve, helve, shelve, twelve, etc.

ELVES.