ouir ouit oumi oun- ound our- ourn ouro ourt out- outi outo ouu- rccc rcdc rcic rcid rcnr rcon rcrd rctc rcti rdcm rdio rdoc ricc rico rict ridc ridd ridi rido riin rimi rimm rimo rimu rind rinn rino riom rion riot riou riri riti rito ritt ritu rmon rmtu rnco rndc rndm rnin rnnt rnod rnot rntd rnut rocc roco rodd rodi rodo roid roin roio roir roit roiu romd romi romm romo ronc rond roni rono ront rood rooi room roon roor root rorc rori roro rort roru rotc roti rotn roto rotr rott roud roum roun rout rrmc rrrr rrum rrun rtcc rtcm rtdt rtmc rtmi rtnd ruci ruct rudd rudi rudo ruid ruin ruit rumi rumm rumo rumt runc rund runi runn runo runt rurc rurd ruri ruro ruru ruti ruto rutt rutu ruud ruun t-mo tccc tccu tcdd tcnn tcom tcon tctc tdmi tdor tdri ticc tico tidc tidd tiit tiiu timi timm timn timo timu tinc tind tini tinn tino tint tinu tion tiou tird tiri tiro tirr tiru titc titi tito titt titu tium tmcc tmcm tmnt tmou tmro tmtt tncc tndd tnut toci toco todd todi todo todt todu toid toit tomi tomm tomo tomt toni tonn tono tonu tood toom toon toor toot torc tord tori torm torn toro torr tort toru totc totd toti totm toto totr tott toui toum toun tour tout trcc tri- tric trim trin trio trit trmd trmi trmu trno troc trod troi trom tron troo trot trou trtc trtr truc trud trun trut truu ttcn ttim tton tttt tucc tuco tudi tudu tuim tuin tuit tuiu tumi tumu tunc tund tuni tunn tuno tunu tuor turc turd turi turm turn turo turr turt turu tuti tuto tutt tutu tuum tuuo ucci ucdc ucdd ucin ucio ucmc ucom ucon ucrc ucut uddi udic udid udim udin udir udmc udon udoo udot udun uint uirr umit ummo umno umor umri umut uncc unci unco unct undi undo uni- unic unii unin unio unir unit unmc unmr unni unno unon unro unto unum unut uocc uomo uor- urci urdu uric urim urin uriu urmi urni uro- urom uroo urri urum urun urur urut utid utin utor utri utti utto uttu uuni uuno uuoc uuri uuuu