ouii ouin ouir ould oulu oun- ound oung our- ourn ouro ouu- owir owld owli ownd owni owow owul owur rbbb rbbr rdio rgbi rib- ribo ribu ridd ridi rido rigg rigi rigo rigu riin rill rilo rilu rind ring rinn rino riol rion riou riri riwo rlin rlug rnbr rnin rnld rnli rnod rob- robb robi robo robu rodd rodi rodo rodw rogg rogi rogo roid roig roil roin roio roir roiu rold roll rolo rond rong roni rono ronw roob rood roog rooi rool roon roor rori roro roru roub roud roul roun rowb rowd rowi rowl rown rowr roww rrrr rrun rubb rubi rubu rudd rudi rudl rudo rugg rugi ruid ruin rull rulo rund rung runi runn runo rurd ruri ruro ruru ruud ruun ruwi rwdi ubbi ubbo ubid ubii ubir ubli ublo ubod ubon ubud uddi udgb udid udig udin udir udon udoo udun uggo ugli ugni ugod ugol ugri ugro ugur uguu ugwu uirr ulli ullo ullr ulno ulo- ulog ulow ulul unbd undi undo ungo ungu uni- unii unin unio unir unni unno unon unro uor- urbi urdu urgi urgu urib urin uriu urni uro- urol uroo urri urun urur uulu uuni uuno uuri uuuu uwin wbbb wbbd wbbg wbbi wbbl wbbn wbbo wbbr wbbw wbdg wbdl wbdr wbgb wbgd wbgg wbgi wbgl wbgn wbgo wbgr wbgu wbgw wbib wbig wbil wbin wbio wbiw wblb wbld wbli wbll wbln wblo wblu wblw wbnb wbnl wbnr wbnw wbob wbog wboi wbol wbon wbor wbow wbrb wbrd wbrg wbri wbrn wbrr wbru wbrw wbud wbui wbul wbuw wbwb wbwi wbwl wbwn wbwo wdbd wdbl wdbn wdbo wdbr wddd wddo wddw wdgg wdgl wdgr wdig wdin wdlb wdld wdlg wdlr wdlw wdnb wdnd wdng wdnl wdno wdnr wdod wdog wdor wdow wdrb wdrr wdru wdub wdul wdun wdur wdwd wdwg wdwl wdwn wdwr wgbb wgbg wgbl wgbn wgbr wgbw wgdl wgdn wgdr wggg wggn wggo wgib wgig wgil wgir wglb wgld wgli wgll wglo wglr wgnb wgng wgni wgnl wgnn wgno wgnr wgnu wgod wgog wgol wgon wgow wgrb wgrd wgri wgro wgrr wgru wgrw wgul wgun wguo wgur wgwb wgwd wgwg wgww wibb wibg wibi wibl wibn wibr wibw widg widi widl widr widu widw wigg wigl wign wigo wigw wiig wiii wiil wiin wiiu wil- wilb wild wili will wiln wilo wilw winb wind wing wini winl winn wino winr winu winw wiob wiod wiog wioi wiol wion wioo wiou wirb wird wiri wirl wirn wiro wirr wiru wiuw wiwi wiwn wiwu wlbb wlbg wlbl wlbn wlbr wlbw wldb wldi wldn wldr wlgd wlgi wlgn wlib wlil wlio wlir wliw wlld wlli wlll wlln wllr wllw wlnd wlng wlni wlnl wlno wlob wlod wlog wlol wlon wloo wlor wlou wlrb wlrd wlrn wlro wlrr wlrw wlub wlun wlur wluw wlwd wlwi wlwl wnbb wnbi wnbl wnbn wnbr wnbu wnbw wndb wndd wndi wndn wndr wndu wngl wngn wngu wnib wnil wnin wnio wnir wniu wniw wnlo wnlr wnnd wnng wnnl wnnr wnnw wnob wnoi wnoo wnor wnow wnrg wnri wnrn wnrr wnrw wnuw wnwi wnwn wnwr wnww wobb wobg wobl wobn wobo wodb wodd wodi wogb wogg wogi wogl wogo wogr woid woio woir wolb wold woli woll wolr wolw wonb wond wong wonn wonu wonw woob wood woog wool woon woow worb word worg wori worl worn woro worr worw woub woud woul wour wouw wowb wowi wowl wown wowo woww wrbb wrbg wrbi wrbl wrbn wrbo wrbu wrbw wrdb wrdd wrdg wrdi wrdl wrdn wrdo wrdr wrdu wrdw wrgb wrgn wrgo wrgr wrgw wrig wril wrin wriu wrlb wrld wrll wrlr wrlu wrnb wrnd wrni wrnl wrnn wrno wrnr wrnw wrob wrod wrog wroi wrol wron wroo wrow wrrb wrrd wrrl wrrn wrro wrrw wrub wrul wrwb wrwd wrwn wrwr wubb wubg wubi wubl wubr wubu wudd wudi wudr wudu wugg wugn wugu wuin wuld wuli wull wulr wulu wund wung wuni wuno wunr wunw wuog wur- wurb wurd wurl wurn wuub wuuu wuwg wwbb wwbd wwbg wwbl wwbn wwbr wwbu wwdb wwdg wwdl wwdn wwdr wwdw wwgb wwgl wwgn wwgo wwgr wwib wwii wwil wwin wwio wwlb wwld wwli wwll wwln wwlr wwlu wwlw wwnb wwnl wwnn wwno wwnr wwnw wwod wwog wwol wwon wwor wwow wwrb wwrd wwrl wwrr wwru wwrw wwwi wwwl wwwn wwwr wwww