nyim nyld nyll nyny nyom nyon nyrb nyro nyul obbo obby obid obin oblu oboi obol obon obor oboy obri obro odbo oddd oddi oddy odin odio odir odiu odly odmr odmy odnb odom odon odoo odor odou odrl odry odum odur odyl odyr oido oiii oily oimb oion oiry oium oiyl olbo olby oldb oldn oldy olib olid olim olin olio olli ollo olly olmi olmo olom olon olor olry olur ombo ombu omdb omid omim omin omio omn- omni omo- omoi omon omoo omor omri omro omul omuo onby ondi ondo ondy onil onir only onmy onni onno onod onon onor onoy onur onym oobi ooby oodi ooid oold oolo oooo oord oory orbb orbi orbo orbu orby ordn ordo ordu ori- orid oril orin orio orlo orlu orly ormn ormo ormy orni orno orny oro- orom oron oror oroy orri orro orry orub orum ouii ouin ouir ould oulu oumi oun- ound our- ourn ouro ouu- ouyr oyly oyon oyou oyri oyun rbbb rbbr rdbm rdio rib- ribo ribu riby ridd ridi rido riin rill rilo rilu rily rimi rimm rimo rimu rimy rind rinn rino riny riol riom rion riou riri riyo rlin rlml rmll rmon rnbr rndm rnin rnld rnli rnod rob- robb robi robo robu roby rodd rodi rodo rody roid roil roin roio roir roiu rold roll rolm rolo roly romb romd romi romm romo romy rond roni rono rony roob rood rooi rool room roon roor rori roro roru rory roub roud roul roum roun rouy royd royl royn rrrr rrum rrun rubb rubi rubu ruby rudd rudi rudl rudo rudy ruid ruin rull rulo ruly rumb rumi ruml rumm rumo rumy rund runi runn runo runy ruoy rurd ruri ruro ruru ruud ruun ruyd ruyi ruyl rydy ryim rynd rynn ryob ryon ryun ubbi ubbo ubid ubii ubir ubli ublo ubly ubod ubon ubud uddi udid udim udin udir udny udon udoo udun uiml uirr ulim ulli ullo ullr ully ulmi ulmo ulmu ulno ulo- ulul ulum umb- umbi umbo ummo umno umol umor umri unbd undi undo undy uni- unii unin unio unir unmr unni unno unon unro unum uoml uomo uor- urbi urdu urdy urib urim urin uriu urmi urni uro- urol urom uroo urri urry urum urun urur uryn uulu uuni uuno uuri uuuu uuyn uydo uyin uyir ybnl ybor ybry ydil ydin ydon ydul yidi yidu yild yili yill yirb yird yirm yirn yirr yiud ylid ylli ymir ymur ymyd ynol ynon ynou yobi yobo yodo yold yoli yoll yolo yoly yomi yomo yond yoni yono yood yool yoon yord yori yorn yoro yory youb youd youi youl your yoyn yoyo yrin yrly yron yrun yryn yubu yudo yudu yuin yuli yulo yulu yumi yund yuny yuon yurd yuri yurn yury yuyu yyyy