fiori firit firou firpo fitit fitof fitor fitou fitri fitto fitup foir- footi forio forit forro forti forto forur fotui fotur fouro fprot fripp frito fritt froit froop froot froup fruit fruto ftrtt fu-fu furio furir furo- furor futop futur if-- iffou ifrit iftop ifttt iiiii iitti ioooi ioooo iorio iotit iotti ipiti ipopt iport ipour irori irour irrit irupi itfit itfor itoff itour itout itpro itrip ittoo ittti itu-r itu-t ituri ituro ituru itutu iuput offir offit offof offto ofori ofoto ofour ofpop oirot oitti ooioo ooooo opio- opir opito optio opto- optot optto orfor orito oropi orout orpit ortoo oruro orutu otori ototo otour otpor ottir ottoi ottur ouir- ouoro outof outro outto pforp piiri piotr pipit pippi pippo pipri pirot pirou pirri pirro pirui pitio pitip pitof pitot pitri pitru pitti pitto piuri piuro piuru po-po poipu poopo poori poort popoi popop poppi poppo popup poro- poroi porri porro porto portu porur potof potoo potop potor potro potti potto pottu pouff priit prior priti pritt proff proft proif proof proor proot prop- propp propr propt prot- proti proto prout prtor ptprf ptpro ptprr ptprt ptpru puppo pupri purio puro- putit putor putt- putti putto puttu putuo putup puuri ri-fi ripio ripit ripup rirpu ro-ro rofor roiot rooft roto- rotor rotot rotti rotto routt rprop rptor ruffo rufi- rufio rufo- ruiru ruoti rupit ruutu t-pop t-top ti-ti tiifp tiout tipit tipof tippi tippu tipto tipup tirit tiro- tiroi tirou tirru tirur titii titof titou titti titup toffo tofit tofop tofor topio topit topo- topof topoi topor topot toppo topto topup torii torio torit torpo torri torro torti torto tortu toti- toto- totoo totop totup touit touro tprot triip trior tripi tripp tript trit- trito tritt troff troft troop trop- tropi tropo trott troup trout truff truit trupt truro ttttt tuffi tufit tuori tuotu tupou tuppi turio turit turot turri turro turtu turup turut tutor tutti tutto tuuri tuuru u-pop ufofu uiro uitti upfor upoff upput uptop uropi urour uruit ururi uruti urutu utro- utrop utror uttur uturu ututo uuuuu