a-ii aaaa aaab aaac aaai aaal aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aaco aacu aaib aaic aaii aala aalc aali aall aalo aalu aaoo abaa abab abac abai abal abau abb- abba abbb abbi abbo abca abcb abcc abci abcl abia abib abic abil abiu abla ablo aboa abob abol aboo abou abua abul acaa acab acac acai acba acbl acca accc acci acco accu aci- acia acic acla aclc acli aclu acoa acol acou acu- acul acuo aiai aiba aibl aibo aica aicc aiia aiib aiic aila aili ailu aioc aioi aiui alaa alac alai alal alao alau alb- alba albc albi albo albu alca alcc alco ali- alia alib alii alil alio aliu all- alla alli alll allo allu aloa aloc aloi alol aloo alou alua alui aoba aoca aola aoul auaa auca auci aul- aula auli aull aulo aulu auol ba-i baaa baal baba babb babi babo babu bac- baca bacc baci baco baia baib baic bail baio bala balc bali ball balo balu baol bau- baul bbau bbbb bbci bblb bcaa bcbc bcca bccc bcci bccl bcia bcuc bial biao biba bibb bibi bibl bibo bica bicc bici bico bila bili bill bilo bilu bio- bioc bioi biol biou blaa blab blac blau blcu blic blio blob bloc bloo blou blub boab boac boai boal boba bobb bobi bobo bobu boca boco bocu boi- boii boil boiu bola boli boll bolo bolu boob booc bool boua boul bual buba bubb bubi bubo bubu buca bucc buci buco bucu buic buiu bula bulb buli bull bulu buol c-bo caaa caab caac caal caba cabi cabo cabu cac- caca cacc caci caco caia caib caic cail caio caiu cala calc cali call calo calu caoi caol cauc caul cauo cbac cbal cbbc cbca cbcc cbcl cbcu cbia cblb cblc cbol ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccl cccu ccic ccii ccil ccla cclc ccli ccob ccoc ccuc ciaa cial ciao ciau ciba cibc cibi cibo cica cicc cici cico cicu ciia ciii cila cili cill cilo ciob ciuc clab clai clau clib clic clii clio clob cloo clou club coai coal coba cobb cobi cobo cobu coca coco cocu coia coil col- cola colb coli coll colo colu coob cool coua coub coul cuau cub- cuba cubb cubi cuca cucc cuci cui- cuil cula culb culc cull culo iaaa iaac iaai iaal iaba iaca iacc iacu iaia iala iall ialu ibac ibca ibia icaa icab icac icai ical icao icbc icca iccb iccc icci iccl icco iccu icll icoc icub iiac iica iiii iiio iila iioi iioo iiuc ilac ilal ilbc ilca ilia ilic ilio ill- illa illi illo iloc iloo ioba iobi ioci ioii ioio iola iolo iooi iooo iucc iuiu laaa laac laal laba labi labo labu laca lacc laci lacl laco lacu laia laic lail lala lali lall lalo lalu laou laub laul lbcc lbia lcac lcbc lcca lccc lcia liac liao liba libc libo libu lica lico liia liii lila lilb lili lill lilo lilu lio- liua llao llcc lllc llll lloa lloc lloo loac lob- loba lobb lobi lobo loca locc loci loco locu loic loiu lola loli loll lolo loob looc lool loui loul louu luai luau luba luca luci lula luli lull lulu luua oaau oaic oall obai obal obba obbo obia obla oblu oboi obol ocab ocac ocal ocbc occa occc occi oclc ocul oiba oici oiii oila olac olba olbo olca olcc olia olib olic olio olla olli ollo ooaa ooba oobi ooia oola oolo oooo ouac oucc ouii oula oulu ouu- uabc uaca uaoc uaua ubac ubal ubba ubbi ubbo ubic ubii ubla ubli ublo uboc ucai ucal ucbc ucca ucci ucil ucio ucla ucua uica ulaa ulai ulbc ulcc ulco ulic ulla ulli ullo ulo- uloc ulua ulul uocc uolc uulu uuoc uuuu