Dyolwch, n. gratitude; worship
Dyollwng, v. to let loose
Dyoresgynu, v. to subjugate
Dyorfod, v. to conquer, to overcome
Dyorladu, v. to bless
Dyormesu, v. to molest
Dyosgi, v. to put off, to put
Dyrag, n. progress: prep. before
Dyragu, v. to precede, to go before
Dyrain, v. to frisk about; n. friskness