-hou a-ha a-ii aaaa aaab aaac aaah aaai aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aaco aacu aaha aaib aaic aaii aaoo abaa abab abac abai abau abb- abba abbb abbi abbo abca abcb abcc abch abci abha abhi abho abia abib abic abiu aboa abob aboh aboo abou abua acaa acab acac acai acba acca accc acch acci acco accu acha achh achi acho achu aci- acia acic acoa acoh acou acu- acuo ahab ahac ahah ahai ahau ahha ahio ahoa ahua aiai aiba aibo aica aicc aich aiha aiho aiia aiib aiic aioc aioi aiui aoah aoba aoca auaa auca auch auci ba-i baaa baah baba babb babi babo babu bac- baca bacc bach baci baco baha bahi baho bahu baia baib baic baio baoh bau- bbau bbbb bbch bbci bcaa bcbc bcca bccc bcci bcia bcuc bhai bhao bhca bhcc bhoi bhuu biao biba bibb bibi bibo bica bicc bich bici bico biha bihi bihu bio- bioc bioi biou boab boac boai boba bobb bobi bobo bobu boca boch boco bocu boha boho bohu boi- boii boiu boob booc booh boua bouh buba bubb bubi bubo bubu buca bucc buch buci buco bucu buha buhi buho buic buiu c-bo caaa caab caac caah caba cabi cabo cabu cac- caca cacc cach caci caco caha caia caib caic caio caiu caoi cauc cauo cbac cbbc cbca cbcc cbcu cbha cbia ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccu ccha ccic ccii ccob ccoc ccuc chaa chab chac chah chai chao chau chca chch chci chha chia chib chic chih chiu choc choh choi choo chou chua chub chui ciaa ciao ciau ciba cibc cibi cibo cica cicc cich cici cico cicu ciia ciii ciob ciuc coai coba cobb cobh cobi cobo cobu coca coch coco cocu coha coho coia coob cooh coua coub cuau cub- cuba cubb cubi cuca cucc cuci cui- h-ii haab haba habi habo habu haco haha haho hau- hbic hbio hboc hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hiaa hiab hiba hibi hibu hicc hich hico hihc hihi hiho hiiu hiob hioc hoac hoai hoba hobo hoca hoch hoha hoho huac huah huba hubb hubi hubo huch hucu huhi huhu huia huib huub iaaa iaac iaai iaba iaca iacc iacu iahc iaia ibac ibca ibia icaa icab icac icai icao icbc icca iccb iccc icci icco iccu ichc ichi icho ichu icoc icub ihab ihba ihcc ihob ihua ihub ihuo iiac iica iiii iiio iioi iioo iiuc ioba iobi ioci ioii ioio iooi iooo iucc iuiu oaau oahu oaic obai obba obbo obia oboi obuh ocab ocac ocbc occa occc occi ocha ochi ohai ohau ohba ohcc ohhi ohho ohia ohio ohob ohoh oiba oici oiii ooaa ooba oobi ooha ooho ooia oooh oooo ouac oucc ouch ouii ouu- uabc uaca uaoc uaua ubac ubba ubbi ubbo ubic ubii uboc ucai ucbc ucca ucci ucha uchi ucho ucio ucua uhoh uhuh uica uocc uuoc uuuu