d-dot d-rod ddddd diddu didio didit didot didto didup diiop dioid dioro dioti dipod dittd ditti ditto do-do dodoo dodro doido doiop doodo doout dordt dorid dorio dorit dorot dorud dotid dotoo dotti dotto douit doupi doupt douro dridu dript droid droit drood droop drop- dropi dropo dropt drori drott droup drout druid drupi druri dtour duddo dudou dupri durio durtu idio- idiot idodi idood idoru idoto idrop iiiii iitti iodid iodo- ioooi ioooo iorio iotit iotti ipiti ipopt iport ipour irid- irido irori irour irrit irupi itdid itour itout itpro itrip itrod ittoo ittti itu-d itu-r itu-t ituri ituro ituru itutu iuput oddup oddur odiid odori odour odudu oduro oidor oirot oitti ooioo ooooo oopod ootid opio- opiod opir opito opodo optio opto- optot optto ordro orito orodo oropi orout orpit ortoo oruro orutu otori ototo otour otpor ottir ottoi ottur ouir- ouoro outdo outro outto piiri piotr pipid pipit pippi pippo pipri pirot pirou pirri pirro pirui pitio pitip pitot pitri pitru pitti pitto piuri piuro piuru po-po podio podo- podor poipu pooid poopo poori poort popoi popop poppi poppo popup poro- poroi porri porro porto portu porur potoo potop potor potro potti potto pottu priit prior priti pritt prodd prodi proor proot prop- propp propr propt prot- proti proto proud prout prtor prudi ptprd ptpro ptprr ptprt ptpru pudor pudur puppo pupri purdi purio puro- putid putit putor putt- putti putto puttu putuo putup puuri ripio ripit ripup rirpu ro-ro roddi rodor rodri roiot roodi roodu ropid rorid roto- rotor rotot rotti rotto routt rprop rptor ruiru ruoti rupit ruutu t-pop t-top tdoit ti-ti tiido tiout tipit tippi tippu tipto tipup tirit tiro- tiroi tirou tirru tirur titii titou titti titup to-do todid todor toord topid topio topit topo- topoi topor topot toppo topto topup tordu torii torio torit torpo torri torro torti torto tortu torud toti- toto- totoo totop totup touit tourd touro tprot tri-d triip triod trior tripi tripp tript trit- trito tritt trood troop trop- tropi tropo trott troup trout trudi trudo truit trupt truro ttttt tudor tudou tudur tuori tuotu tupou tuppi turid turio turit turot turri turro turtu turup turut tutor tutti tutto tuudi tuuri tuuru u-pop udupi uiro uitti up-do upido upput uptop urdoi uropi urour uruit ururi uruti urutu utro- utrop utror uttur uturu ututo uuuuu