aaaa aaab aaac aaam aaba aabb aabc aabm aaca aacb aacc aacm aaco aacu aama aamb aamc aamo aaoo abaa abab abac abam abau abb- abba abbb abbo abca abcb abcc abma abmb abmc aboa abob aboo abou abua abum acaa acab acac acba acca accc accm acco accu acma acmc acmu acoa acom acou acu- acum acuo amaa amac amam amb- amba ambo ambu amca amcc amco amm- amma ammo ammu amob amoc amoo amou amqu amua amum aoba aoca aoma aqu- aqua aquo auaa auca auma baaa baam baba babb babm babo babu bac- baca bacc baco bama bamb bamc bamm bamu baqa bau- baum bbau bbbb bbbq bbcm bcaa bcam bcbc bcca bccc bccm bcma bcuc bmaa bmoc boab boac boba bobb bobo bobu boca bocm boco bocq bocu boma bomb bomu boob booc boom boua boum buba bubb bubo bubq bubu buca bucc buco bucu bum- buma bumb buqa c-bo caaa caab caac caam caba cabo cabu cac- caca cacc cacm caco cama camb camc camm camo cauc caum cauo cbac cbbc cbca cbcc cbcm cbcu cboq ccaa ccab ccac ccam ccba ccbc ccca cccb cccc cccm cccu ccma ccmb ccmc ccmm ccob ccoc ccom ccuc cmaa cmac cmaq cmba cmbc cmcc cmmb cmmc cmoc coba cobb cobo cobu coca coco cocu com- coma comb comc comm como comu coob coom coua coub cuau cub- cuba cubb cuca cucc cucm cucq cum- cuma maaa maac maam maba mabo mabu mac- maca macb macc maco macu mama mamc mamo mamu maoc maqu maua maum mbac mbam mbba mbca mbou mcaa mcac mcba mcbc mcca mccc mcmc mmaa mmab mmac mmcc mmcm mmmc mmmm moaa moab moac moam moba mobb mobo moca moco moma momo momu mooa moob mooc moqa muac mubo muc- mucc mucu muma mumm mumo mumu oaau oama obba obbo oboq ocab ocac ocam ocbc occa occc ocma ocom ocum omac omam omao ombo ombu omca omma omo- omoa omoo omuo ooaa ooba ooma oooo ouac oucc ouma ouu- qa-c qabo qama qaum qobu qoca qomo qoob qqqq quaa quab quam quba qubo qucu quob quoc quom quu- uabc uaca uamc uaoc uaua ubac ubba ubbo uboc ucam ucbc ucca ucmc ucom ucua umaa umac umb- umba umbo umma ummo uocc uomo uqac uqam uqao uqcc uuoc uuuu