Here's what rhymes with ullibi.
by die buy tie bi bye dye pi pie thai dei ty alibi tai my high why apply dry lie thy try y guy occupy vi hi shy sigh chi fi hy nigh spy thigh vie ly ply psi quae rye wir awry hai lye mai muy nai pry tri trie wry cy fy kai lai lullaby luy mei pri sy thei untie wai phi sty amebae stye lanai supply cry fly reply sky deny rely alkali defy fry sly nullify belie pupae amoebae mollify aquae ossify retry spry turfy ripply overbuy slier yuppify thereby imply nearby whereby comply hereby modify multiply qualify verify certify goodbye underlie amplify pacify ratify unify decry terrify edify overlie ramify resupply bonsai deify triply calcify horrify barfly mummify banzais syllabify justify satisfy clarify classify butterfly glorify gratify notify purify alveoli magnify rectify samurai standby beautify falsify solidify termini typify codify crucify descry liquefy vilify acidify firefly preoccupy stultify ultrahigh blowfly emulsify misapply petrify reunify stupefy liquify overfly scarify scurfy versify prettify shanghai vitrify beatify drachmai dandify stimuli nuclei specify signify simplify testify diversify fortify dignify mortify oversupply personify mystify stratify vivify hyperbolae refortify speechify solemnify identify quantify disqualify objectify detoxify dragonfly electrify revivify cumuli dissatisfy declassify gentrify exemplify intensify indemnify demystify reclassify oversimplify transmogrify misidentify