a-ak a-ha a-ii aaaa aaab aaac aaad aaah aaai aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aach aaci aack aada aadc aadi aaha aahk aaib aaic aaii aaka abaa abab abac abad abai abak abb- abba abbb abbi abca abcb abcc abcd abch abci abda abdi abha abhi abia abib abic abid acaa acab acac acad acai acba acca accc accd acch acci acda acdb acdc acdi acha achh achi aci- acia acic acid ackd adaa adab adac adad adah adai adak adba adbc adbi adcc adci adda addc addd addi adha adhd adhi adia adib adic adik adki ahab ahac ahad ahah ahai ahdi ahha aiai aiba aica aicc aicd aich aida aidb aidc aidi aiha aiia aiib aiic aiid aika aiki akaa akah akai akca akha akia akid akik akka akki ba-i baaa baad baah baak baba babb babi bac- baca bacc bach baci back bada badb badd badh badi baha bahi baia baib baic baid baik bak- baka bakh baki bbad bbbb bbch bbci bbdd bcaa bcbc bcca bccc bcci bcda bchd bcia bdbc bddc bddh bdii bhai bhca bhcc biad biak biba bibb bibi bica bicc bich bici bick bida bidi biha bihi bikh c-cd caaa caab caac caah caba cabi cac- caca cacc cach caci cack cada cadc cadd cadi caha caia caib caic caid caik caka cbac cbbc cbca cbcc cbdb cbdc cbdi cbha cbia cbid cbka ccaa ccab ccac ccad ccai ccba ccbc ccca cccb cccc ccci ccdc ccdh ccdi ccha ccic ccid ccii cdaa cdac cdad cdai cdba cdda cddb cdic cdii chaa chab chac chad chah chai chak chca chch chci chdi chha chia chib chic chid chih chik chka chkb ciaa ciak ciba cibc cibi cica cicc cich cici cida cidc cidi ciia ciid ciii cika ckac ckbc ckbi ckch ckck daab daad daba dabb daca daci dada dadi daha dahi daia daid daik daka daki dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dddd dhaa dhad dhai dhak dia- diab diac diad diak diba dibb dica dich dici dick dida didi diii dika dikh diki dkba dkdc dkid h-ii haab haad haak haba habi hack hada hadh hadi haha haid haik haka haki hakk hbcd hbic hcbc hcca hccb hccc hcch hchi hdbk hdca hdci hdda hhaa hhhh hi-c hiaa hiab hiba hibi hicc hich hick hida hidi hihc hihi hiki hkcc iaaa iaac iaai iaba iaca iacc iadb iadc iahc iaia ibac ibad ibca ibia ibid icaa icab icac icad icai icbc icbd icca iccb iccc icci icdc icdd ichc ichd ichi idad idah idca idda idha idia idic idid ihab ihad ihba ihcc iiac iica iicd iida iiii ikid ikki k-ci k-id kaaa kaab kaai kaak kaba kabb kabc kabd kabi kacb kacc kacd kach kaci kad- kada kadd kadi kaha kahc kahi kaia kaib kaic kaid kaii kaik kaka kakc kakh kaki kakk kbaa kbab kbac kbad kbai kbak kbba kbbb kbbc kbbd kbbi kbbk kbca kbcb kbch kbci kbck kbdb kbdi kbhb kbhc kbhh kbhi kbia kbib kbic kbid kbik kbkb kbkk kcaa kcab kcac kcad kcah kcai kcba kcbc kcbd kcbi kcbk kcca kccb kccc kccd kcci kcck kcda kcdc kcdd kcdi kcha kchh kchi kchk kcic kcid kcii kckc kckk kdaa kdab kdac kdad kdai kdak kdbb kdbi kdca kdcc kdcd kddb kddc kddd kddi kddk kdia kdic kdka kdkb kdkd kdkk khab khac khad khai khak khbc khbd khca khcb khcc khch khck khdc khdk khhk khia khic khid khii khka khki khkk kiab kiac kiad kiah kiai kiba kibb kibc kibi kica kicb kicc kicd kick kida kidb kidd kidi kidk kiha kihc kihh kihi kihk kiia kiic kiid kiii kiik kika kikc kikd kiki kikk kkaa kkac kkai kkba kkbb kkbd kkbi kkcb kkcd kkch kkci kkck kkda kkdc kkdd kkha kkhb kkhh kkhi kkhk kkia kkic kkid kkik kkkk