a-ak aaaa aaab aaar aaba aabb aaka aaku aara aaru abaa abab abag abak abar abau abb- abba abbb abbr abra abua abug abuk agag agar agau agba agga aggu agra agua agur akaa akar akka akku akr- akra akua arab arag arak arar arau arba arga argb arka arr- arra arrg arrk arrr arru arua arub arug auaa auga aur- aura auug baaa baak baar baba babb babr babu baga bagg bak- baka bakr baku bar- bara barb barg bark barr baru bau- baug bauk baur bbau bbbb bbga bbrg brab brag brak brau brka brkb brrr brug buar buba bubb bubu buga bugg buka bukk buku bur- bura burb burg burk burr buru gaar gaba gabb gabr gabu gaga gagg gagu gaku gara garb garg garr gaua gaub gauk gaur gbag gggg grab grau grbr grrr grua grub grug grur guaa guag guar guba gubb gubu guga gugb gugg gugu gura gurb gurg gurk gurr guru kaaa kaab kaag kaak kaar kaba kabb kabg kabr kabu kag- kaga kagb kagg kagr kagu kaka kakk kaku kara karb karg kark karr karu kau- kaub kaug kauk kaur kbaa kbab kbak kbar kbba kbbb kbbg kbbk kbbr kbbu kbga kbgb kbgg kbgr kbkb kbkg kbkk kbkr kbra kbrb kbrg kbrk kbru kbua kbub kbuk kbur kbuu kgab kgak kgba kgbb kgbr kgga kggg kggr kgra kgrb kgrg kgrk kgrr kgua kkaa kkag kkar kkba kkbb kkbg kkbr kkgb kkgr kkkk kkrb kkrk kkrr kkua kkuu krab krag krak krar krba krbb krbg krbk krbr krka krkk krkr krku krrb krrg krrk krrr krua krug kruk krur kuar kuau kuba kubb kubr kubu kuga kugb kugr kuka kukk kuku kura kurb kurk kurr kuru kuub kuuk kuur kuuu raab raag raak raba rabb rabk rabu raga ragg ragu raka rakk raku rara rarb rark raua raub rauk rbbb rbbr rgba rrrr ruag ruba rubb rubu ruga rugg ruka rukk ruku rura ruru uaru uaua ubar ubba ubra ugab ugar ugra ugur uguu ukba ukra ukur urau urba urga urgu urka urra uruk urur uuuu