a-be a-ha a-ii aaaa aaab aaac aaae aaah aaai aaap aaba aabb aabc aabh aabi aabp aaca aacb aacc aace aach aaci aacp aaea aaec aaep aaha aaib aaic aaii aapa aapc aaph aapi abaa abab abac abae abai abap abb- abba abbb abbe abbi abca abcb abcc abch abci abcp abec abee abha abhi abia abib abic abie abpa abpc abpi abpp acaa acab acac acae acai acap acba acca accc acce acch acci accp ace- acea acec aceh acha ache achh achi achp aci- acia acic acie acip acpa acpe acpi aeac aeap aebi aecb aeci ahab ahac ahah ahai ahha ahip aiai aiba aica aicc aice aich aicp aiea aiee aiha aiia aiib aiic aipa aipe aiph aipi apac apah apai apap apba apca apcb apcc apea apec apeh apep aph- apha aphc api- apia apic apie apip appa appc apph ba-i baaa baah baba babb babe babi bac- baca bacc bace bach baci baha bahi baia baib baic baie bapa bapc bape bapi bapp bbbb bbch bbci bbeb bcaa bcap bcbc bcbp bcca bccc bcci bcec bche bcia bcie bcpp beah beap beba bebb bebe bebi beca bech beci beeb beep beia beic bhai bhca bhcc bhie biap biba bibb bibe bibi bica bicc bice bich bici bieb biha bihe bihi bipa bipp bpai bpcp bpea bphc caaa caab caac caah caap caba cabe cabi cac- caca cacc cace cach caci caec caei caha cahe caia caib caic caip capa capb capc cape caph capi capp cbac cbbc cbca cbcc cbce cbcp cbea cbec cbee cbha cbia cbpc cbpp ccaa ccab ccac ccai ccap ccba ccbc ccca cccb cccc ccci cccp ccee ccha cche cchp ccic ccii ccip ccpa ccpe ccpp ceac ceba cebp cec- ceca cece ceci cecp ceeb ceec ceip cepa cepc cepe ceph cepp chaa chab chac chae chah chai chap chbp chca chce chch chci chcp chea cheb chec chee cheh chep chha chia chib chic chie chih chip chpa chpp ciaa ciba cibc cibe cibi cica cicc cich cici ciee ciia ciii cipa cipp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cpha cpia cpic cppa eaba eabh eaca eacc each eaec eapc eapp ebac ebba ebbc ebcc ebic ecaa ecac ecai ecbc ecbe ecca eccb eccc ecce ecci echa eche ecib ecip ecpa ecpp eeca eeea eeee ehaa ehcc ehea eheh eica eich eiec eiei eiha epaa epac epcc epch epci epec epee eph- epha ephi epi- epia epic epie epip eppa eppc eppp h-ii haab haba habe habi hace haec haha haie hapa hape hapi happ hbic hcap hcbc hcca hccb hccc hcch hchi hcpc heah heap hebb hebe hebi heca hech heeb heep hehe heia heic heie heih hepa hepc hepe hepi hepp hhaa hhhh hhip hhpa hhpc hi-c hiaa hiab hiba hibi hicc hice hich hicp hiei hihc hihe hihi hiie hipc hipe hipp hpac hpae hpcc hppe i-be iaaa iaac iaai iaap iaba iaca iacc iacp iaea iaec iaep iahc iaia iapa iapp ibac ibca ibea ibec ibeh ibia ibie icaa icab icac icai icap icbc icbp icca iccb iccc icci iccp icea icec icee ichc iche ichi icpa icpc ieac iecc ieie iepa ihab ihba ihcc ihep ihpa iiac iica iiie iiii iipa ipac ipba ipca ipcc ipce ipea ipec iphc ipie ippa ippc paap paba paca pace pach paci paea paec paep paha pahi pahp paia paib paie paip papa papb pape papi papp pbac pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcha pchp pcia pcip pcpb pcpp peab peac peah peai peap peba peca pece pech peci peec peep peha pehe peia peip pepa pepe pepi phah phai phcc phe- phi- phip phpa piai pibb pibi pica picc pice pich pici piea piep piha piia piip pipa pipe pipi pipp ppac ppap ppcc ppci pphi ppib ppic ppie ppih pppa pppp