-er -ic a-a a-b a-c a-i aaa aab aac aae aai aap aar ab- aba abb abc abe abi abp abr ac- aca acb acc ace aci acp acr aea aeb aec aee aei aep aer ai- aia aib aic aie aii aip air ap- apa apb apc ape api app apr ar- ara arb arc are ari arp arr b-p baa bab bac bae bai bap bar bba bbb bbc bbe bbi bbp bbr bca bcb bcc bce bci bcp bcr be- bea beb bec bee bei bep ber bi- bia bib bic bie bii bip bir bpa bpb bpc bpe bpi bpp bpr bra brb bre bri brp brr c-- caa cab cac cae cai cap car cba cbb cbc cbe cbi cbp cbr cca ccb ccc cce cci ccp ccr ce- cea ceb cec cee cei cep cer ci- cia cib cic cie cii cip cir cpa cpb cpc cpe cpi cpp cpr cra crb crc cre cri crp crr eaa eab eac eae eai eap ear eba ebb ebc ebe ebi ebp ebr ec- eca ecb ecc ece eci ecr eea eeb eec eee eep eer eia eib eic eie eii eip eir ep- epa epb epc epe epi epp epr era erb erc ere eri erp err ia- iaa iab iac iae iai iap iar iba ibb ibc ibe ibi ibp ibr ica icb icc ice ici icp icr ie- iea iec iee iei iep ier iia iib iic iie iii iip iir ipa ipb ipc ipe ipi ipp ipr ir- ira irb irc ire iri irp irr p-p paa pab pac pae pai pap par pba pbb pbc pbe pbi pbp pbr pca pcb pcc pce pci pcp pcr pea peb pec pee pei pep per pia pib pic pie pii pip pir ppa ppb ppc ppe ppi ppp ppr pra prb prc pre pri prp prr ra- raa rab rac rae rai rap rar rba rbb rbc rbe rbi rbp rbr rca rcb rcc rce rci rcp rcr re- rea reb rec ree rei rep rer ria rib ric rie rii rip rir rpa rpb rpc rpe rpi rpp rpr rra rrb rrc rri rrp rrr

a-be a-ii aaaa aaab aaac aaae aaai aaap aaar aaba aabb aabc aabi aabp aaca aacb aacc aace aaci aacp aacr aaea aaec aaep aaib aaic aaii aapa aapc aapi aara aarc aare aari aarp abaa abab abac abae abai abap abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcp abcr abec abee aber abia abib abic abie abir abpa abpc abpi abpp abpr abra abrc abri acaa acab acac acae acai acap acar acba acca accc acce acci accp ace- acea acec acer 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 aiai aiba aica aicc aice aicp aicr aiea aiee aiia aiib aiic aiir aipa aipe aipi aira aire airi airp apac apai apap apar apba apbr apca apcb apcc apcr apea apec apep aper api- apia apic apie apip appa appc appr apra aprc apre apri arab arac arae arai arap arar arba arbe arbi arc- arca arce arci area arec aree arei arep aria arib arie arii arip arpa arpe arpi arr- arra arrc arre arri arrr ba-i baaa baar baba babb babe babi babr bac- baca bacc bace baci baer baia baib baic baie bair bapa bapc bape bapi bapp bar- bara barb barc bare bari barr bbbb bbci bbeb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcec bcer bcia bcie bcpp bcra beap bear beba bebb bebe bebi beca beci beeb beep beer beia beic beir bera berc bere beri berr biap biar biba bibb bibe bibi bica bicc bice bici bieb bier bipa bipp bira birb bire biri birr bpai bpcp bpea bprc brab brac brae brai brca brcb brce brea breb brec bree brei brep brer bria bric brie brrr caaa caab caac caap caba cabe cabi cac- caca cacc cace caci cacr caec caei caer caia caib caic caip cair capa capb capc cape capi capp cara carb carc care cari carp carr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbia cbir cbpc cbpp cbre ccaa ccab ccac ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp ccee ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ceac cear ceba cebp cec- ceca cece ceci cecp ceeb ceec ceip cepa cepc cepe cepp cepr cer- cera cerc cere ceri cerp ciaa ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciia ciii cipa cipp cira cirb circ cire ciri cirr cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cpia cpic cppa cpre cpri crab crac crai crap crar crbc crca crcc crce crcr cre- crea creb crec cree crei crep cria crib cric crie crip crpc eaba eaca eacc eaec eapc eapp eara earb eare earp ebac ebba ebbc ebbr ebcc eber ebic ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecip ecpa ecpp ecra ecrc ecri ecrr eeca eeea eeee eera eerc eica eiec eiei eier eipr eira eire epaa epac epcc epci epec epee eper epi- epia epic epie epip eppa eppc eppp epra eprb eprp erap erba erbb erbe erca ercc erce ercp ereb erec erei erer eria eric erie erpa erpe erra errc erre i-be iaaa iaac iaai iaap iaba iaca iacc iacp iacr iaea iaec iaep iaia iapa iapp iara iarc iare ibac ibar ibca ibea ibec ibia ibie ibra ibrc ibri icaa icab icac icai icap icar icbc icbp icca iccb iccc icci iccp iccr icea icec icee icer icpa icpc icra icrc icre icrr ieac iecc ieie iepa iera iere ieri iiac iica iiie iiii iipa iira iirc ipac ipba ipca ipcc ipce ipea ipec iper ipie ippa ippc ippr ipri irac irae irai irap irar irbe irbp irca ircc