aaaa aaab aaam aaar aaba aabb aabm aama aamb aamo aamr aaoo aara aarm aaro aaru abaa abab abam abar abau abb- abba abbb abbo abbr abma abmb aboa abob aboo abor abou abra abro abua abum amaa amam amar amb- amba ambo ambr ambu amm- amma ammo ammu amob amoo amor amou amqu amra amro amua amum amur aoba aoma aora aorb aqar aqra aqu- aqua aquo arab aram araq arar arau arba arma armm armo armu aroa arob arom aroo aror arq- arqa arr- arra arro arrr arru arua arub arum aruq auaa auma aur- aura auro baaa baam baar baba babb babm babo babr babu bama bamb bamm bamu baqa bar- bara barb barm baro barq barr baru bau- baum baur bbau bbbb bbbq bmaa boab boar boba bobb bobo bobu boma bomb bomu boob boom boor bor- bora borm boro borr boru boua boum bour brab bram brao brau broa brob brom broo bror brou brrm brrr brum buar buba bubb bubo bubq bubu bum- buma bumb buqa bur- bura burb burm buro burr buru maaa maam maar maba mabo mabu mama mamo mamu maor maqu mar- mara marm maro marq marr maru maua maum maur mbam mbba mbou mmaa mmab mmar mmmm mmor moaa moab moam moar moba mobb mobo moma momo momu mooa moob moor moqa mora morb moro moru mour mrbb mrbm muar mubo muma mumm mumo mumu mura muro murr muru oaau oama oara obba obbo oboq obor obra obro omam omao omar ombo ombu omma omo- omoa omoo omor omra omro omuo ooaa ooba ooma oooo oora orab oram orao orar orba orbb orbo orbu orma ormo oro- orom oror orra orro orub orum ouma our- oura ouro ouu- qabo qama qara qaru qaum qobu qomo qoob qqqq qram quaa quab quam quar quba qubo quob quom quor qurm quro quu- raab raam raba rabb rabo rabu rama ramb ramm ramo ramu raob raom rara rarb raro raua raub raum rbbb rbbr roab roam roar rob- roba robb robo robu roma romb romm romo roob room roor rora roro roru roua roub roum rrrr rrum ruba rubb rubu ruma rumb rumm rumo rura ruro ruru uaru uaua ubar ubba ubbo ubra umaa umar umb- umba umbo umma ummo umor umra uomo uor- uqam uqao uqar urao urau urba urma uro- uroa urom uroo urra urum uruq urur uuuu