a-ha a-ii aaaa aaab aaac aaah aaai aaap aaba aabb aabc aabh aabi aabp aaca aacb aacc aach aaci aaco aacp aaha aaib aaic aaii aaoo aapa aapc aaph aapi aapo abaa abab abac abai abap abb- abba abbb abbi abbo abca abcb abcc abch abci abcp abha abhi abho abia abib abic aboa abob aboh aboo abpa abpc abpi abpp acaa acab acac acai acap acba acca accc acch acci acco accp acha achh achi acho achp aci- acia acic acip acoa acoh acop acpa acpi ahab ahac ahah ahai ahha ahio ahip ahoa ahop aiai aiba aibo aica aicc aich aicp aiha aiho aiia aiib aiic aioc aioi aipa aiph aipi aoah aoba aoca aopo apac apah apai apao apap apba apca apcb apcc apco aph- apha aphc api- apia apic apio apip apo- apoc apoo apop appa appc apph ba-i baaa baah baba babb babi babo bac- baca bacc bach baci baco baha bahi baho baia baib baic baio baoh bapa bapc bapi bapp bbbb bbch bbci bcaa bcap bcbc bcbp bcca bccc bcci bcia bcpp bhai bhao bhca bhcc bhoi biao biap biba bibb bibi bibo bica bicc bich bici bico biha bihi bio- bioc bioi bipa bipp boab boac boai boba bobb bobi bobo boca boch boco boha boho boi- boii boob booc booh boop bopa bopp bpai bpcp bphc c-bo caaa caab caac caah caap caba cabi cabo cac- caca cacc cach caci caco caha caia caib caic caio caip caoi capa capb capc caph capi capo capp cbac cbbc cbca cbcc cbcp cbha cbia cbpc cbpp ccaa ccab ccac ccai ccap ccba ccbc ccca cccb cccc ccci cccp ccha cchp ccic ccii ccip ccob ccoc ccpa ccpp chaa chab chac chah chai chao chap chbp chca chch chci chcp chha chia chib chic chih chip choc choh choi choo chop chpa chpp ciaa ciao ciba cibc cibi cibo cica cicc cich cici cico ciia ciii ciob cipa cipo cipp coai coba cobb cobh cobi cobo coca coch coco cocp coha coho coia coip coob cooh coop copa coph copi copo copp cpaa cpac cpap cpbc cpca cpha cpia cpic cpio cppa h-ii haab haba habi habo haco haha haho hapa hapi happ hbic hbio hboc hcap hcbc hcca hccb hccc hcch hchi hcpc hhaa hhhh hhip hhpa hhpc hi-c hiaa hiab hiba hibi hicc hich hico hicp hihc hihi hiho hiob hioc hipc hipo hipp hoac hoai hoap hoba hobo hoca hoch hoha hoho hoip hoop hopa hopi hopo hopp hpac hpao hpcc iaaa iaac iaai iaap iaba iaca iacc iacp iahc iaia iapa iapp ibac ibca ibia icaa icab icac icai icao icap icbc icbp icca iccb iccc icci icco iccp ichc ichi icho icoc icpa icpc icpo ihab ihba ihcc ihob ihop ihpa iiac iica iiii iiio iioi iioo iiop iipa ioba iobi ioci iocp ioii ioio iooi iooo ipac ipba ipca ipcc iphc ipoh ipop ippa ippc ippo oahp oaic oaph oapi obai obba obbo obia oboi ocab ocac ocap ocbc occa occc occi ocha ochi ocpa ocpp ohai ohba ohcc ohhi ohho ohia ohio ohob ohoh oiba oici oiii oipc ooaa ooba oobi ooha ooho ooia oooh oooo opah opap opca ophi opia opic opii opio opo- oppa oppi oppo paap paba paca pach paci paco paha pahi paho pahp paia paib paio paip paoc paoh papa papb papi papp pbac pbcc pboc pbpa pcaa pcap pcba pcbc pcca pccc pcha pchp pcia pcip pcoa pcpb pcpp phah phai phcc phi- phip phob phoh phoo phpa piai piao pibb pibi pica picc pich pici pico piha piia piip piob pipa pipi pipo pipp poba pobo poca poch poco poha poia poio pooh poop pop- popa popc popi popo popp ppac ppap ppcc ppci pphi ppib ppic ppih ppoa pppa pppo pppp