ddddd diddl diddu diddy didup didus dilip dilli dills dilly dilys dipl- diply dippy dipsy dipus diss- diulu dliii dplus duddy duill dulid dulli dulls dullu dully duply duppy dupuy dussi dyyss i-spy idili idlis idyll idyls iiiii iisys ilisu illui illus ilulu ipils ipsi- ipsus is-is isili isill isisi islip ispsd ispup issid issus issuu isuli isuus isyss iuliu iulus iupps iyiyi liddy liisi lilis liliu lilli lilly lilus lilys lipid lipis lippi lipps lippy lipsi lipus lipyl lisis lisps lispy liss- lissu lissy liuli llupy luddu ludus lulli lulls lully lulul lulus lupis luppi luppy lupsu lupul lupus lusis lussy lusus lydus lysi- lysis lysus lysyl lyuli piilu piisi piisu pili- pilid pilis pills pilly pilus pipid pipil pipis pipli pippi pippy pipul pissi pissy piusi plips plupp psil- psy-s puddy pudsy pudus puids pulis pull- pulli pulls pullu pully pulps pulpy pupil puppy pupsy pusil pusly pussy pylus s-iii siddi sidis sidus siili silli sills silly silpi silyl sipid sippi sippy sipsi sisid sisil sisis sisli sissi sissu sissy siudi siusi siuyu slidy slily slip- slips sliss sluds sludy sluis slupy sluss slyly spidy spili spill spiss spuds spuul spuyl sssss sudds suddy sudis sudsy suids sulid sulis sulli sulls sully sulus supls suppl supps supsd supsi susil sussy susus suudu sylis sylls udupi uispp uldis ulipy ululu ulupi uppli uspid uspis usspy usuli ususi uusis uuuuu uyuly ydill yills yippy ylids ypyll yuill yuliy yuppy