nutu oaau oara ocac ocad ocan ocat occa occc occn occt ocga ocna ocon ocra ocro ocrr oct- octa octo ocur odac odda oddd odon odoo odor odot odou odra odtu odur ogar ogdc ogna ogoa ogod ogog ogon ogou ogra ogro ogun onan onar onat onc- onca oncd onco onct onda ondo onga ongo ongu onna onno onod onon onor onra ont- ontc onto onur onut ooaa oocr ooda oona oont oooo oora oord oort orac orad oran orao orar orat orca orco orda ordn ordo ordu orga orgn orgo orna ornc orno oro- oron oror orot orra orro orta ortc orto otac otan otar otcd oto- otog oton otoo otor otra otro otta otto ottu otur ouac ouad ouan ouat oucc oudc oun- ouna ound oung our- oura ourn ouro ourt out- outa outo ouu- raad raag raan raat rac- raca racc raco ract racu rada radc radd rado radr radt radu raga ragg rago ragu rana ranc rand rang rann rano rant raoc rara raro rata rato ratt ratu raua rauc raud raun raut rcac rccc rcdc rcga rcgc rcnr rcon rcrd rcrg rctc rctg rdac rdna rdoc rgan rgtr rnag rnco rndc rnnt rnod rnot rntd rnut road roag roan roar roat roca rocc roco roda rodd rodo roga rogg rogo rona ronc rond rong rono ront rood roog roon roor root rora rorc roro rort roru rota rotc rotg rotn roto rotr rott roua roud roun rout rrad rrat rrna rrrr rrun rtan rtca rtcc rtcg rtdt rtnd ruad ruag ruan ruca ruct ruda rudd rudo ruga rugg runa runc rund rung runn runo runt rura rurc rurd ruro ruru ruta ruto rutt rutu ruud ruun taa- taag taan taar taat taca tacc taco tact tada tadg tado taga tagg tago tagu tana tand tang tann tano tant tanu taoa taor taou tara tarc tard targ tarn taro tarr tart taru tata tato tatr tatt tatu taua tauc taur taut tcad tcca tccc tccu tcdd tcga tcnn tcon tctc tdac tdna tdor tdra tgcc tgtc tnag tnca tncc tndd tnut toad toan toat toau toca toco toda todd todo todt todu toga togo togr togt tona tong tonn tono tonu tooa tood toon toor toot tora torc tord torg torn toro torr tort toru tota totc totd toto totr tott toug toun tour tout traa trac trad trag tran trao trat trau trca trcc trna trng trno troa troc trod trog tron troo trot trou trra trtc trtr truc trud trug trun trut truu ttcn tton tttt tuan tuao tuar tuat tuca tucc tuco tudu tuga tugg tugu tuna tunc tund tung tunn tuno tunu tuor tura turc turd turg turn turo turr turt turu tuta tuto tutt tutu tuuo uaca uang uaoc uarc uart uaru uata uatu uaua ucad ucan ucar ucat ucca ucdc ucdd ucon ucrc ucua ucut udaa udad udar udau udca udon udoo udot udra udun ugao ugar ugcc ugcg uggo uggt ugod ugra ugro ugta ugur uguu unaa unac unan unar unat unau unca uncc uncg unco unct unda undo unga ungo ungu unna unno unon unra unro unto unut uocc uor- urac urad uran urao urat urau urca urda urdu urga urgu urna uro- uroa uroo urra urun urur urut utac utan utau utor utto uttu utug uuno uuoc uuta uuuu