Gaunt garrulous Garry gave gorgeous Gwendolyn gobs'v gooey gum. BTW I know that a contraction for "of" in "gobs'v" is ungrammatical.
Jordan jumped jubilant Junebugs. Jill jailed Junebugs jacking jovial John's jovialness. Joining Jordan's justification.
Seldomly shells shake, shivering silently, secretively scoping sandy shores. Seasons switch, seperately serving snot, snivels... Snores? Surely someone snores seasonally?
Sociologist Sally salamander solemnly saluted serpent Sal's sneering psychologist I know "psychologist" starts with "p" but for alliteration purposes it fits right in.