a-ya aaaa aaab aaar aaba aabb aaby aara aaru abaa abab abar abau abay abb- abba abbb abbr abby abra abry abua abuy abyy arab arar arau aray arba arby arr- arra arrr arru arry arua arub ary- arya auaa auby aur- aura ayar ayay ayra ayry ayub ayur ayya baaa baar baba babb babr babu baby bar- bara barb barr baru bary bau- baur baya bayu bbau bbay bbbb brab brau bray brrr bry- brya buar buba bubb bubu bur- bura burb burr buru bury buyu byar raab raba rabb rabu raby rara rarb rary raua raub raya rayr rayu rbbb rbbr rrrr ruba rubb rubu ruby rura ruru ruya ryba uaru uaua ubar ubay ubba ubra urau uray urba urra urry urur uuuu uyar yaar yaba yara yarb yarr yaru yary yaya yayu ybry yuba yubu yura yury yuya yuyu yyyy