-ic a-a a-b a-c a-i aaa aab aac aah aai aap aar ab- aba abb abc abh abi abp abr ac- aca acb acc ach aci acp acr aha ahb ahc ahh ahi ahp ahr ai- aia aib aic aih aii aip air ap- apa apb apc aph api app apr ar- ara arb arc arh ari arp arr b-p baa bab bac bah bai bap bar bba bbb bbc bbh bbi bbp bbr bca bcb bcc bch bci bcp bcr bha bhb bhc bhh bhi bhp bhr bi- bia bib bic bih bii bip bir bpa bpb bpc bph bpi bpp bpr bra brb brh bri brp brr c-- caa cab cac cah cai cap car cba cbb cbc cbh cbi cbp cbr cca ccb ccc cch cci ccp ccr ch- cha chb chc chh chi chp chr ci- cia cib cic cih cii cip cir cpa cpb cpc cph cpi cpp cpr cra crb crc crh cri crp crr h-i haa hab hac hah hai hap har hba hbb hbc hbh hbi hbp hbr hca hcb hcc hch hci hcp hcr hha hhb hhc hhh hhi hhp hhr hia hib hic hih hii hip hir hpa hpb hpc hph hpi hpp hpr hr- hra hrb hrc hrh hri hrp hrr ia- iaa iab iac iah iai iap iar iba ibb ibc ibh ibi ibp ibr ica icb icc ich ici icp icr iha ihb ihc ihh ihi ihp ihr iia iib iic iih iii iip iir ipa ipb ipc ipi ipp ipr ir- ira irb irc iri irp irr p-p paa pab pac pah pai pap par pba pbb pbc pbi pbp pbr pca pcb pcc pch pci pcp pcr pha phb phc phi php phr pia pib pic pih pii pip pir ppa ppb ppc pph ppi ppp ppr pra prb prc prh pri prp prr ra- raa rab rac rah rai rap rar rba rbb rbc rbh rbi rbp rbr rca rcb rcc rch rci rcp rcr rh- rha rhb rhc rhh rhi rhp rhr ria rib ric rih rii rip rir rpa rpb rpc rph rpi rpp rpr rra rrb rrc rrh rri rrp rrr

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