-hou a-fu a-ha a-ii aaaa aaab aaac aaaf aaah aaai aaba aabb aabc aabh aabi aaca aacb aacc aacf aach aaci aaco aacu aafa aafb aafc aaff aafi aaha aaib aaic aaii aaoo abaa abab abac abaf abai abau abb- abba abbb abbi abbo abca abcb abcc abcf abch abci abff abha abhi abho abia abib abic abiu aboa abob abof aboh aboo abou abua abuf acaa acab acac acai acba acca accc accf acch acci acco accu acfc acfi acha achh achi acho achu aci- acia acic acif acoa acoh acou acu- acuf acuo afaa afao afca afcb afcc afch afci afcu affa affc affi affo afia afib afif afoa afoo afua ahab ahac ahah ahai ahau ahfa ahha ahio ahoa ahua aiai aiba aibo aica aicc aicf aich aiff aiha aiho aiia aiib aiic aioc aioi aiui aoah aoba aoca aouf auaa auca auch auci aufc aufi ba-i baaa baaf baah baba babb babi babo babu bac- baca bacc bach baci baco bafc baff bafo baha bahi baho bahu baia baib baic baio baoh bau- bauf bbau bbbb bbch bbci bbfc bcaa bcbc bcca bccc bcci bcfc bcia bcof bcuc bfca bhai bhao bhca bhcc bhff bhoi bhuu biaf biao biba bibb bibi bibo bica bicc bich bici bico bifa biff bifi biha bihi bihu bio- bioc bioi biou boab boac boai boba bobb bobi bobo bobu boca boch boco bocu bofa boff bofh bofu boha boho bohu boi- boii boiu boob booc boof booh boua bouf bouh buba bubb bubi bubo bubu buca bucc buch buci buco bucu bufc buff bufo buha buhi buho buic buif buiu c-bo caaa caab caac caaf caah caba cabf cabi cabo cabu cac- caca cacc cach caci caco cafa cafb cafc caff cafu caha caia caib caic caio caiu caoi cauc cauf cauo cbac cbbc cbca cbcc cbcu cbfb cbfc cbha cbia ccaa ccab ccac ccaf ccai ccba ccbc ccca cccb cccc cccf ccci cccu ccfa ccfc ccff ccfi ccha ccic ccii ccob ccoc ccuc cfaa cfab cfac cfao cfbc cfca cfcb cfcf cfco cffb cfia cfoa chaa chab chac chaf chah chai chao chau chca chch chci chfa chfc chfi chha chia chib chic chif chih chiu choc choh choi choo chou chua chub chui ciaa ciao ciau ciba cibc cibi cibo cica cicc cich cici cico cicu cifa ciff ciia ciii ciob ciuc coai coba cobb cobh cobi cobo cobu coca coch coco cocu cofc coff cofi coha coho coia coif coob coof cooh coua coub cuau cub- cuba cubb cubi cuca cucc cuci cufa cufc cuff cufi cufo cui- cuif faaa faac faah faba fabi fabo fabu faca facc fach fafa fafc faff fafi fafo faha faio fcab fcba fcca fccf fcch fcic fcii ffcc ffff ffii fhci fiaa fiac fiaf fiba fica ficc fich fico fifa fifc fiff fifi fifo fiii fiua foaf foba foca foch foci foco fofo foia foof foua fubb fubu fuc- fuca fuci fufc fuff fufu h-ii haab haaf haba habi habo habu haco hafb haff haha haho haif hau- hauf hbfc hbic hbio hboc hcbc hcca hccb hccc hcch hcfa hcfc hchi hfba hhaa hhhh hhof hi-c hiaa hiab hiba hibi hibu hicc hich hico hifa hiff hifh hifi hifo hihc hihi hiho hiiu hiob hioc hoac hoai hoba hobo hoca hoch hoff hofu hoha hoho hoif hoof houf huac huah huba hubb hubi hubo huch hucu hufc huff hufu huhi huhu huia huib huif huub iaaa iaac iaai iaba iaca iacc iacu iafc iaff iahc iaia ibac ibca ibfi ibia icaa icab icac icaf icai icao icbc icca iccb iccc iccf icci icco iccu icfb ichc ichi icho ichu icoc icub ifaa ifac ifao ifbb ifco ific ihab ihba ihcc ihob ihua ihub ihuo iiac iica iifa iiii iiio iioi iioo iiuc ioba iobi ioci iofc ioii ioio ioof iooi iooo iucc iuiu oaau oafc oafo oahu oaic obai obba obbo obia oboi obuh ocab ocac ocbc occa occc occi ocfa ocha ochi ofah off- offa offc offh offo offu ohai ohau ohba ohcc ohhi ohho ohia ohif ohio ohob ohoh oiba oici oiii ooaa ooba oobi ooff ooha ooho ooia oooh oooo ouac oucc ouch oufc ouff ouii ouu- uabc uaca uafa uaoc uaua ubac ubba ubbi ubbo ubic ubii uboc ucai ucbc ucca ucci ucfa ucfb ucha uchi ucho ucio ucua ufcu uffa uhoh uhuh uica uocc uofa uofo uuoc uuuu