kkor kkrb kkrc kkrf kkrh kkrk kkro kkrr kkua kkuu koab koac koak koar koba kobb kobc kobk kobo kobr kobu koca kocb kocf koch kock kofa kofc koff kofh kofk kofo kofu koha kohh koho kohr kohu koka kokb kokc kokf kokh kokk koko kokr koku koob kooc kook kooo koor koou kora korb korc korf kork koro korr koru koua koub kour kouu krab krac krah krak krar krba krbb krbk krbr krca krcb krcc krch krco krcu krfc krff krfo krhc krka krkc krkh krkk krko krkr krku kroa krob kroc krof kroh krok kroo kror krrb krrc krrf krrk krro krrr krua kruc kruf kruh kruk krur kuac kuaf kuah kuar kuau kuba kubb kubc kubo kubr kubu kuca kucb kucc kuch kuco kucr kufa kufc kuff kufo kufr kuhf kuhu kuka kukh kukk kuku kuoa kuok kuoo kura kurb kurk kuro kurr kuru kuub kuuk kuur kuuu oaau oafc oafo oahu oara obak obba obbo obkb obok obor obra obrh obro obuh ocab ocac ocak ocbc occa occc ocfa ocha ocra ocro ocrr ocur ofah ofcr off- offa offc offh offo offr offu ofor ofra ohau ohba ohcc ohho ohob ohoh ohok ohra okak okcu okha okka okko okok okor okra okro okur ooaa ooak ooba oocr ooff ooha ooho ooku oooh oooo oora orab orac orah orak orao orar orba orbb orbo orbu orca orch orco orff orfu orka orko oro- orof orok oror orra orro orub ouac oucc ouch oufc ouff our- oura ouro ouu- raab raaf raak raba rabb rabk rabo rabu rac- raca racc rach rack raco racu rafa rafc raff raha rahr rahu raka rakk raku raob raoc raoh raok rara rarb rarf rark raro raua raub rauc rauf rauk rbaf rbbb rbbr rboh rcac rcaf rcbc rcbo rccb rccc rcfc rchb rffc rhau rhoa rhob rhoc rhoh rkkf roab roaf roak roar rob- roba robb robo robu roca rocc roch rock roco rofc roff rofo roha rohr rohu roka rokh rokk roko rokr roku roob roof rook roor rora rorc rork roro roru roua roub rouf rouh rouk rrah rrfc rrrr ruah ruba rubb rubu ruca ruch ruck rufa rufc ruff rufo ruhh ruhr ruka rukh rukk ruku ruok rura rurc ruro ruru uabc uaca uafa uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubra ucak ucar ucbc ucca ucfa ucfb ucha ucho ucka ucrc ucua ufcu uffa ufra ufuk uhoh uhok uhuh ukaf ukba ukcc ukha ukko ukok ukra ukrc ukur uocc uofa uofo uor- urac urao urau urba urca urch urfa urff urho urka uro- uroa urok uroo urra urrh uruk urur uuoc uuuu