a-ha a-ii aaaa aaab aaac aaah aaai aaap aaar aaba aabb aabc aabh aabi aabp aaca aacb aacc aach aaci aacp aacr aaha aaib aaic aaii aapa aapc aaph aapi aara aarc aari aarp abaa abab abac abai abap abar abb- abba abbb abbi abbr abca abcb abcc abch abci abcp abcr abha abhi abhr abia abib abic abir abpa abpc abpi abpp abpr abra abrc abri acaa acab acac acai acap acar acba acca accc acch acci accp acha achh achi achp achr aci- acia acic acip acir acpa acpi acpr acr- acra acrc acri acrr ahab ahac ahah ahai ahar ahha ahip ahir ahra ahrc ahrr aiai aiba aica aicc aich aicp aicr aiha aiia aiib aiic aiir aipa aiph aipi aira airh airi airp apac apah apai apap apar apba apbr apca apcb apcc apcr aph- apha aphc api- apia apic apip appa appc apph appr apra aprc apri arab arac arah arai arap arar arba arbh arbi arc- arca arch arci arh- aria arib arii arip arpa arpi arr- arra arrc arrh arri arrr ba-i baaa baah baar baba babb babi babr bac- baca bacc bach baci baha bahi bahr baia baib baic bair bapa bapc bapi bapp bar- bara barb barc barh bari barr bbbb bbch bbci bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcia bcpp bcra bhai bhar bhca bhcc bhir bhra biap biar biba bibb bibi bica bicc bich bici biha bihi bipa bipp bira birb biri birr bpai bpcp bphc bprc brab brac brah brai brca brcb bria bric brih brrr caaa caab caac caah caap caba cabi cac- caca cacc cach caci cacr caha caia caib caic caip cair capa capb capc caph capi capp cara carb carc cari carp carr cbac cbar cbbc cbca cbcc cbcp cbcr cbha cbia cbir cbpc cbpp cbrh ccaa ccab ccac ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp ccha cchp cchr ccic ccii ccip ccir ccpa ccpp ccpr ccra ccrc ccri ccrp chaa chab chac chah chai chap char chbp chca chch chci chcp chha chia chib chic chih chip chir chpa chpp chpr chra chrb chrc chrp chrr ciaa ciar ciba cibc cibi cica cicc cich cici cicr cihr ciia ciii cipa cipp cira cirb circ cirh ciri cirr cpaa cpac cpap cpbc cpca cpha cpia cpic cppa cpri crab crac crai crap crar crbc crca crcc crcr cria crib cric crip crpc h-ii haab haar haba habi haha hair hapa hapi happ hara harc harh hari harp harr hbar hbic hcap hcbc hcca hccb hccc hcch hchi hcpc hcrp hhaa hhhh hhip hhpa hhpc hi-c hiaa hiab hiar hiba hibi hicc hich hicp hihc hihi hipc hipp hira hiri hpac hpcc hrac hrap hrib hrip hrpc hrpp hrrc iaaa iaac iaai iaap iaba iaca iacc iacp iacr iahc iaia iapa iapp iara iarc ibac ibar ibca ibia ibra ibrc ibri icaa icab icac icai icap icar icbc icbp icca iccb iccc icci iccp iccr ichc ichi ichr icpa icpc icra icrc icrr ihab ihba ihcc ihpa ihra ihrc iiac iica iiii iipa iira iirc ipac ipba ipca ipcc iphc iphr ippa ippc ippr ipri irac irai irap irar irbp irca ircc iri- iria iric irip irpa irpc irra irrc irri paap paar paba paca pach paci paha pahi pahp paia paib paip pair papa papb papi papp papr par- para parc pari parp parr pbac pbar pbcc pbpa pcaa pcap pcba pcbc pcca pccc pcha pchp pcia pcip pcpb pcpp pcra pcrc phah phai phar phcc phi- phip phpa phrr piai pibb pibi pica picc pich pici picr piha piia piip pipa pipi pipp pira pirc piri pirr ppac ppap ppar ppcc ppci pphi ppib ppic ppih pppa pppp pprc prai prar prbc prca prcc prcp pri- pria prii prri raab raba rabb rabi rac- raca racc rach raci raha rahi rahr raia raic raii raip rair rapa rapc raph rapi rapp rara rarb rari rbbb rbbr rcac rcbc rccb rccc rchb rcic rcpi rhap rhcp rhib riaa riab riah riai rib- riba rica ricc rich riha riia ripa ripi ripp ripr riri rpca rpii rrah rrrr