lrrc lrrr luah luau luba luca luch luga lugg lugh lugo lugu luhu lula lull lulu luoh lura lurg luua oaau oahu oall oara obal obba obbo obla oblu obol obor obra obrh obro obuh ocab ocac ocal ocbc occa occc ocga ocha oclc ocra ocrl ocro ocrr ocul ocur ogar ogb ogba ogla ogoa ogog ogou ogra ogro ohal ohau ohba ohcc ohgr ohho ohob ohoh ohra olac olah olar olba olbo olca olcc olga olgc olgr olla ollo olog olor olur ooaa ooba oocr ooha ooho oola oolo oooh oooo oora orab orac orah oral orao orar orba orbb orbo orbu orca orch orco orga orgo orla orlo orlu oro- oror orra orro orub ouac oucc ouch ough oula oulu our- oura ouro ouu- raab raag raba rabb rabl rabo rabu rac- raca racc rach raco racu raga ragg ragh rago ragu raha rahl rahr rahu rala ralb rall ralo raob raoc raoh raol rara rarb raro raua raub rauc raul rbbb rbbr rbcl rbgh rboh rcac rcbc rcbo rccb rccc rcga rcgc rchb rcrg rgba rhag rhau rhbg rhcg rhoa rhob rhoc rhog rhoh rhug rlab rlcg rlua rlug roab roag roar rob- roba robb robo robu roca rocc roch roco roga rogg rogh rogo roha rohl rohr rohu rola roll rolo roob roog rool roor rora rorc roro roru roua roub rouh roul rrah rrrr ruag ruah ruba rubb rubu ruca ruch ruga rugg rugh ruhh ruhl ruhr rula rull rulo rura rurc ruro ruru uabc uaca uaoc uarc uaru uaua ubac ubal ubar ubba ubbo ubla ublo uboc ubra ucal ucar ucbc ucca ucha ucho ucla ucrc ucua ugab ugal ugao ugar ugcc ugcg uggo ugol ugra ugro ugur uguu uhcl uhoh uhuh ulaa ular ulbc ulcc ulch ulco ulla ullo ullr ulo- uloc ulog ulua ulul uocc uolc uor- urac ural urao urau urba urca urch urga urgh urgu urho urla uro- uroa urol uroo urra urrh urur uulu uuoc uuuu