a-ha a-ii aaaa aaab aaac aaah aaai aaap aaba aabb aabc aabh aabi aabp aaca aacb aacc aach aaci aacp aaha aaib aaic aaii aapa aapc aaph aapi abaa abab abac abai abap abb- abba abbb abbi abca abcb abcc abch abci abcp abha abhi abia abib abic abpa abpc abpi abpp acaa acab acac acai acap acba acca accc acch acci accp acha achh achi achp aci- acia acic acip acpa acpi ahab ahac ahah ahai ahha ahip aiai aiba aica aicc aich aicp aiha aiia aiib aiic aipa aiph aipi apac apah apai apap apba apca apcb apcc aph- apha aphc api- apia apic apip appa appc apph ba-i baaa baah baba babb babi bac- baca bacc bach baci baha bahi baia baib baic bapa bapc bapi bapp bbbb bbch bbci bcaa bcap bcbc bcbp bcca bccc bcci bcia bcpp bhai bhca bhcc biap biba bibb bibi bica bicc bich bici biha bihi bipa bipp bpai bpcp bphc caaa caab caac caah caap caba cabi cac- caca cacc cach caci caha caia caib caic caip capa capb capc caph capi 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 ccpa ccpp chaa chab chac chah chai chap chbp chca chch chci chcp chha chia chib chic chih chip chpa chpp ciaa ciba cibc cibi cica cicc cich cici ciia ciii cipa cipp cpaa cpac cpap cpbc cpca cpha cpia cpic cppa h-ii haab haba habi haha hapa hapi happ hbic hcap hcbc hcca hccb hccc hcch hchi hcpc hhaa hhhh hhip hhpa hhpc hi-c hiaa hiab hiba hibi hicc hich hicp hihc hihi hipc hipp hpac hpcc iaaa iaac iaai iaap iaba iaca iacc iacp iahc iaia iapa iapp ibac ibca ibia icaa icab icac icai icap icbc icbp icca iccb iccc icci iccp ichc ichi icpa icpc ihab ihba ihcc ihpa iiac iica iiii iipa ipac ipba ipca ipcc iphc ippa ippc paap paba paca pach paci paha pahi pahp paia paib paip papa papb papi papp pbac pbcc pbpa pcaa pcap pcba pcbc pcca pccc pcha pchp pcia pcip pcpb pcpp phah phai phcc phi- phip phpa piai pibb pibi pica picc pich pici piha piia piip pipa pipi pipp ppac ppap ppcc ppci pphi ppib ppic ppih pppa pppp