a-fu a-ya aaaa aaab aaaf aaar aaba aabb aaby aafa aafb aaff aara aaru abaa abab abaf abar abau abay abb- abba abbb abbr abby abff abra abry abua abuf abuy abyy afaa afar affa affy afr- afra afru afua arab araf arar arau aray arba arby arfa arfb arff arfu arr- arra arrr arru arry arua arub ary- arya auaa auby aur- aura ayar ayay ayra ayry ayub ayur ayya baaa baaf baar baba babb babr babu baby baff bar- bara barb barf barr baru bary bau- bauf baur baya bayu bbau bbay bbbb brab braf brau bray brfu brrr bry- brya buar buba bubb bubu buff bufr bur- bura burb burr buru bury buyu byar faaa faba fabu fafa faff fara farb farr faru fary faur faya fayu fbar ffar ffff ffrr frab frau fray frub frya fuar fubb fubu fuff fufu fur- fura furr fury fuyu fyar fyra fyry raab raaf raba rabb rabu raby rafa raff rara rarb rarf rary raua raub rauf raya rayr rayu rbaf rbbb rbbr rrrr ruba rubb rubu ruby rufa ruff rura ruru ruya ryba ryff ryyf uafa uaru uaua ubar ubay ubba ubra ufay uffa ufra urau uray urba urfa urff urra urry urur uuuu uyar yaaf yaar yaba yafa yaff yara yarb yarr yaru yary yaya yayu ybry yuba yubu yuff yufu yura yury yuya yuyu yyff yyyy