a-ha a-ii a-ya aaaa aaab aaac aaah aaai aaba aabb aabc aabh aabi aaby aaca aacb aacc aach aaci aacy aaha aaib aaic aaii abaa abab abac abai abay abb- abba abbb abbi abby abca abcb abcc abch abci abha abhi abia abib abic abiy abyc abyy acaa acab acac acai acba acca accc acch acci accy acha achh achi achy aci- acia acic ahab ahac ahah ahai ahha aiai aiba aica aicc aich aiha aiia aiib aiic ayah ayay ayca ayya ba-i baaa baah baba babb babi baby bac- baca bacc bach baci baha bahi baia baib baic baya bayh bayi bbay bbbb bbch bbci bcaa bcbc bcca bccc bcci bcia bhai bhca bhcc biba bibb bibi bica bicc bich bici biha bihi biya bych caaa caab caac caah caba cabi caby cac- caca cacc cach caci caha caia caib caic cbac cbbc cbca cbcc cbha cbia ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci ccha cchy ccic ccii chaa chab chac chah chai chay chca chch chci chha chia chib chic chih chy- chyc ciaa ciba cibc cibi cica cicc cich cici ciia ciii cya- cyaa cyba cybb cybc cybi cyc- cyca cycb cycc cyy- cyyc h-ii haab haba habi haby haha haya hbic hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hiaa hiab hiba hibi hicc hich hihc hihi hiya i-by iaaa iaac iaai iaba iaca iacc iahc iaia iayc ibac ibca ibia ibyi icaa icab icac icai icbc icca iccb iccc icci ichc ichi ichy ihab ihba ihcc iiac iica iiii iyai yaba yacc yacy yahi yaya ycab yccc ycch yyyy