a-ak a-ok aaaa aaab aaar aaba aabb aaka aaku aaoo aara aaro aaru abaa abab abag abak abar abau abb- abba abbb abbo abbr aboa abob abok aboo abor abou abra abro abua abug abuk ag-o agag agao agar agau agba agbo agga aggu agob agog agoo agou agra agro agua agur akaa akao akar akka akko akku akok akr- akra akua aoba aora aorb arab arag arak arar arau arba arga argb argo arka arko aroa arob aroo aror arr- arra arrg arrk arro arrr arru arua arub arug auaa auga aur- aura auro auug baaa baak baar baba babb babo babr babu baga bagg bago bak- baka bako bakr baku bar- bara barb barg bark baro barr baru bau- baug bauk baur bbau bbbb bbga bbrg boab boag boak boar boba bobb bobo bobu boga bogg bogo boka boko boku boob boog book boor bor- bora borg bork boro borr boru boua bouk bour brab brag brak brao brau brka brkb broa brob brog brok broo bror brou brrr brug buar buba bubb bubo bubu buga bugg bugo buka bukk buko buku bur- bura burb burg burk buro burr buru gaar gaba gabb gabo gabr gabu gaga gagg gago gagu gaku gara garb garg garo garr gaua gaub gauk gaur gbag gbbo gggg goar goba gobo goga gogo goku goog gook goor gora gorb gorg goro gorr gou- goug gouk gour grab grau grbr grob grog grok groo gror grou grrr grua grub grug grur guaa guag guao guar guba gubb gubu guga gugb gugg gugu gura gurb gurg gurk guro gurr guru kaaa kaab kaag kaak kaar kaba kabb kabg kabo kabr kabu kag- kaga kagb kagg kago kagr kagu kaka kakk kako kaku kaoa kaog kaok kaor kara karb karg kark karo karr karu kau- kaub kaug kauk kauo kaur kbaa kbab kbak kbar kbba kbbb kbbg kbbk kbbo kbbr kbbu kbga kbgb kbgg kbgo kbgr kbkb kbkg kbkk kbko kbkr kboa kbob kbok kboo kbra kbrb kbrg kbrk kbro kbru kbua kbub kbuk kbur kbuu kgab kgak kgba kgbb kgbr kgga kggg kggo kggr kgor kgou kgra kgrb kgrg kgrk kgro kgrr kgua kkaa kkag kkar kkba kkbb kkbg kkbo kkbr kkgb kkgo kkgr kkkk kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkua kkuu koab koak koar koba kobb kobk kobo kobr kobu koga kogb kogg kogo kogu koka kokb kokk koko kokr koku koob koog kook kooo koor koou kora korb korg kork koro korr koru koua koub kour kouu krab krag krak krar krba krbb krbg krbk krbr krka krkk krko krkr krku kroa krob krog krok kroo kror krrb krrg krrk krro krrr krua krug kruk krur kuar kuau kuba kubb kubo kubr kubu kuga kugb kugo kugr kuka kukk kuku kuoa kuok kuoo kura kurb kurk kuro kurr kuru kuub kuuk kuur kuuu oaau oara obak obba obbo obkb obok obor obra obro ogar ogb ogba ogoa ogog ogou ogra ogro okak okgo okka okko okok okor okra okro okur ooaa ooak ooba ooku oooo oora orab orak orao orar orba orbb orbo orbu orga orgo orka orko oro- orok oror orra orro orub our- oura ouro ouu- raab raag raak raba rabb rabk rabo rabu raga ragg rago ragu raka rakk raku raob raok rara rarb rark raro raua raub rauk rbbb rbbr rgba roab roag roak roar rob- roba robb robo robu roga rogg rogo roka rokk roko rokr roku roob roog rook roor rora rork roro roru roua roub rouk rrrr ruag ruba rubb rubu ruga rugg ruka rukk ruku ruok rura ruro ruru uaru uaua ubar ubba ubbo ubra ugab ugao ugar uggo ugra ugro ugur uguu ukba ukko ukok ukra ukur uor- urao urau urba urga urgu urka uro- uroa urok uroo urra uruk urur uuuu