-er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aap aar ab- aba abb abc abe abh abi abp abr ac- aca acb acc ace ach aci acp acr aea aeb aec aee aeh aei aep aer aha ahb ahc ahe ahh ahi ahp ahr ai- aia aib aic aie aih aii aip air ap- apa apb apc ape aph api app apr ar- ara arb arc are arh ari arp arr b-p baa bab bac bae bah bai bap bar bba bbb bbc bbe bbh bbi bbp bbr bca bcb bcc bce bch bci bcp bcr be- bea beb bec bee beh bei bep ber bha bhb bhc bhe bhh bhi bhp bhr bi- bia bib bic bie bih bii bip bir bpa bpb bpc bpe bph bpi bpp bpr bra brb bre brh bri brp brr c-- caa cab cac cae cah cai cap car cba cbb cbc cbe cbh cbi cbp cbr cca ccb ccc cce cch cci ccp ccr ce- cea ceb cec cee ceh cei cep cer ch- cha chb chc che chh chi chp chr ci- cia cib cic cie cih cii cip cir cpa cpb cpc cpe cph cpi cpp cpr cra crb crc cre crh cri crp crr eaa eab eac eae eah eai eap ear eba ebb ebc ebe ebh ebi ebp ebr ec- eca ecb ecc ece ech eci ecr eea eeb eec eee eep eer eha ehb ehc ehe ehh ehi ehp ehr eia eib eic eie eii eip eir ep- epa epb epc epe eph epi epp epr era erb erc ere erh eri erp err h-i haa hab hac hae hah hai hap har hba hbb hbc hbe hbh hbi hbp hbr hca hcb hcc hce hch hci hcp hcr he- hea heb hec hee heh hei hep her hha hhb hhc hhe hhh hhi hhp hhr hia hib hic hie hih hii hip hir hpa hpb hpc hpe hph hpi hpp hpr hr- hra hrb hrc hre hrh hri hrp hrr ia- iaa iab iac iae iah iai iap iar iba ibb ibc ibe ibh ibi ibp ibr ica icb icc ice ich ici icp icr ie- iea iec iee iei iep ier iha ihb ihc ihe ihh ihi ihp ihr iia iib iic iie iih iii iip iir ipa ipb ipc ipe ipi ipp ipr ir- ira irb irc ire iri irp irr p-p paa pab pac pae pah pai pap par pba pbb pbc pbe pbi pbp pbr pca pcb pcc pce pch pci pcp pcr pea peb pec pee peh pei pep per pha phb phc phe phi php phr pia pib pic pie pih pii pip pir ppa ppb ppc ppe pph ppi ppp ppr pra prb prc pre prh pri prp prr ra- raa rab rac rae rah rai rap rar rba rbb rbc rbe rbh rbi rbp rbr rca rcb rcc rce rch rci rcp rcr re- rea reb rec ree reh rei rep rer rh- rha rhb rhc rhe rhh rhi rhp rhr ria rib ric rie rih rii rip rir rpa rpb rpc rpe rph rpi rpp rpr rra rrb rrc rrh rri rrp rrr

a-be a-ha a-ii aaaa aaab aaac aaae aaah aaai aaap aaar aaba aabb aabc aabh aabi aabp aaca aacb aacc aace aach aaci aacp aacr aaea aaec aaep aaha aaib aaic aaii aapa aapc aaph aapi aara aarc aare aari aarp abaa abab abac abae abai abap abar abb- abba abbb abbe abbi abbr abca abcb abcc abch abci abcp abcr abec abee aber abha abhi abhr abia abib abic abie abir abpa abpc abpi abpp abpr abra abrc abri acaa acab acac acae acai acap acar acba acca accc acce acch acci accp ace- acea acec aceh acer acha ache achh achi achp achr aci- acia acic acie acip acir acpa acpe acpi acpr acr- acra acrc acre acri acrr aeac aeap aebi aecb aeci aeer aer- aera aerc aeri ahab ahac ahah ahai ahar ahha ahip ahir ahra ahrc ahre ahrr aiai aiba aica aicc aice aich aicp aicr aiea aiee aiha aiia aiib aiic aiir aipa aipe aiph aipi aira aire airh airi airp apac apah apai apap apar apba apbr apca apcb apcc apcr apea apec apeh apep aper aph- apha aphc api- apia apic apie apip appa appc apph appr apra aprc apre apri arab arac arae arah arai arap arar arba arbe arbh arbi arc- arca arce arch arci area arec aree areh arei arep arh- aria arib arie arii arip arpa arpe arpi arr- arra arrc arre arrh arri arrr ba-i baaa baah baar baba babb babe babi babr bac- baca bacc bace bach baci baer baha bahi bahr baia baib baic baie bair bapa bapc bape bapi bapp bar- bara barb barc bare barh bari barr bbbb bbch bbci bbeb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcec bcer bche bcia bcie bcpp bcra beah beap bear beba bebb bebe bebi beca bech beci beeb beep beer behr beia beic beir bera berc bere beri berr bhai bhar bhca bhcc bher bhie bhir bhra biap biar biba bibb bibe bibi bica bicc bice bich bici bieb bier biha bihe bihi bipa bipp bira birb bire biri birr bpai bpcp bpea bphc bprc brab brac brae brah brai brca brcb brce brea breb brec bree brei brep brer bria bric brie brih brrr caaa caab caac caah caap caba cabe cabi cac- caca cacc cace cach caci cacr caec caei caer caha cahe caia caib caic caip cair capa capb capc cape caph capi capp cara carb carc care cari carp carr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbha cbia cbir cbpc cbpp cbre cbrh ccaa ccab ccac ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp ccee ccha cche cchp cchr ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ceac cear ceba cebp cec- ceca cece ceci