a-ha a-ii aaaa aaab aaac aaad aaah aaai aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aach aaci aada aadc aadi aagh aaha aaib aaic aaii abaa abab abac abad abag abai abb- abba abbb abbi abca abcb abcc abcd abch abci abda abdi abgd abha abhi abia abib abic abid abig acaa acab acac acad acag acai acba acca accc accd acch acci acda acdb acdc acdi acga acgi acha achh achi aci- acia acic acid adaa adab adac adad adag adah adai adba adbc adbi adcc adci adda addc addd addi adha adhd adhi adia adib adic adig agac agad agag agai agba agca agcc agda agga aggi agha agia agib agic agid agig agii ahab ahac ahad ahah ahai ahdi ahha aiai aiba aica aicc aicd aich aida aidb aidc aidi aiga aiha aiia aiib aiic aiid ba-i baaa baad baah baba babb babi bac- baca bacc bach baci bada badb badd badh badi baga bagg bagh bagi baha bahi baia baib baic baid baig bbad bbbb bbch bbci bbdd bbga bcaa bcbc bcbg bcca bccc bcci bcda bchd bcia bdbc bddc bddh bdii bgca bgia bhag bhai bhca bhcc biad biba bibb bibi bica bicc bicg bich bici bida bidi biga bigb bigc bigd bigg biha bihi c-cd caaa caab caac caah caba cabg cabi cac- caca cacc cach caci cada cadc cadd cadi caga cagg cagi caha caia caib caic caid cbac cbbc cbca cbcc cbdb cbdc cbdi cbga cbgb cbha cbia cbid ccaa ccab ccac ccad ccag ccai ccba ccbc ccca cccb cccc ccci ccdc ccdh ccdi ccga ccgc ccha ccic ccid ccii cdaa cdac cdad cdai cdba cdda cddb cdic cdii cgac cgcc cgcg chaa chab chac chad chag chah chai chca chch chci chdi chgb chgd chha chia chib chic chid chig chih ciaa ciba cibc cibi cica cicc cich cici cida cidc cidg cidi ciga cigi ciia ciid ciii daab daad daag daba dabb daca daci dada dadi daga dagg dagh dagi daha dahi daia daid daig dbag dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dddd dgac dgca dgia dhaa dhad dhag dhai dia- diab diac diad diag diba dibb dica dich dici dida didi diga digg digi diii gaba gabb gabi gach gada gadd gadi gaga gagg gagi gaha gahi gaia gaid gaig gbag gc-c gcaa gcbc gccc gcda gcic gcii gdca gdci gddb gggg gghg ghai ghia ghib giaa giac giad giai giba gibb gibh gica gida gidc gidd gidh gidi giga gigg gigi h-ii haab haad haag haba habi hada hadh hadi hag- haga hagg hagh hagi haha haid haig hbag hbcd hbic hcbc hcca hccb hccc hcch hcgh hchi hdca hdci hdda hgah hggc hhaa hhgg hhhh hi-c hiaa hiab hiag hiba hibi hicc hich hida hidi higa high higi hihc hihi iaaa iaac iaai iaba iaca iacc iadb iadc iahc iaia ibac ibad ibca ibga ibia ibid icaa icab icac icad icag icai icbc icbd icca iccb iccc icci icdc icdd icga icgc ichc ichd ichi idad idah idca idda idha idia idic idid idig igac igad igba igbc igcc igga ighd igia ihab ihad ihba ihcc iiac iica iicd iida iiii