-er -ic a-a a-c a-i aaa aac aae aai aak aap aar ac- aca acc ace aci ack acp acr aea aec aee aei aek aep aer ai- aia aic aie aii aik aip air aka akc ake aki akk akp akr ap- apa apc ape api apk app apr ar- ara arc are ari ark arp arr c-- caa cac cae cai cak cap car cca ccc cce cci cck ccp ccr ce- cea cec cee cei cek cep cer ci- cia cic cie cii cik cip cir cka ckc cki cpa cpc cpe cpi cpk cpp cpr cra crc cre cri crk crp crr eaa eac eae eai eak eap ear ec- eca ecc ece eci eck ecr eea eec eee eek eep eer eia eic eie eii eik eip eir eka ekc eke eki ekp ekr ep- epa epc epe epi epp epr era erc ere eri erk erp err ia- iaa iac iae iai iap iar ica icc ice ici ick icp icr ie- iea iec iee iei iek iep ier iia iic iie iii iip iir ika ikc ike iki ikk ikr ipa ipc ipe ipi ipp ipr ir- ira irc ire iri irk irp irr ka- kaa kac kae kai kak kap kar kca kcc kce kci kck kcp kcr ke- kea kec kee kei kek kep ker kia kic kie kii kik kip kir kkc kke kki kkk kkp kkr kpa kpc kpe kpi kpk kpp kpr kra krc kri krk krp krr p-p paa pac pae pai pak pap par pca pcc pce pci pck pcp pcr pea pec pee pei pek pep per pia pic pie pii pik pip pir pka pkc pke pki pkp pkr ppa ppc ppe ppi ppk ppp ppr pra prc pre pri prk prp prr ra- raa rac rae rai rak rap rar rca rcc rce rci rcp rcr re- rea rec ree rei rek rep rer ria ric rie rii rik rip rir rkc rke rkk rkp rpa rpc rpe rpi rpk rpp rpr rra rrc rri rrk rrp rrr

a-ak a-ii aaaa aaac aaae aaai aaap aaar aaca aacc aace aaci aack aacp aacr aaea aaec aaep aaic aaii aaka aake aapa aapc aapi aara aarc aare aari aarp acaa acac acae acai acap acar acca accc acce acci accp ace- acea acec acek acer aci- acia acic acie acip acir acke acpa acpe acpi acpr acr- acra acrc acre acri acrr aeac aeap aeci aeer aeka aer- aera aerc aeri aiai aica aicc aice aicp aicr aiea aiee aiia aiic aiir aika aike aiki aipa aipe aipi aira aire airi airp akaa akae akai akap akar akca akee aker akia akie akik akir akka akki akr- akra akre apac apai apak apap apar apca apcc apcr apea apec apep aper api- apia apic apie apip apke appa appc appr apra aprc apre apri arac arae arai arak arap arar arc- arca arce arci area arec aree arei arek arep aria arie arii arik arip arka arke arki arpa arpe arpi arr- arra arrc arre arri arrk arrr caaa caac caap cac- caca cacc cace caci cack cacr caec caei caer caia caic caik caip cair caka cake capa capc cape capi capp cara carc care cari cark carp carr ccaa ccac ccai ccap ccar ccca cccc ccci cccp ccee ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ceac cear cec- ceca cece ceci cecp ceec ceip ceke cepa cepc cepe cepp cepr cer- cera cerc cere ceri cerp ciaa ciak ciar cica cicc cici cicr ciee cier ciia ciii cika cikr cipa cipp cira circ cire ciri cirk cirr ckac ckck cker ckpc ckpr ckrc cpaa cpac cpap cpca cpce cpea cpep cper cpia cpic cppa cpre cpri crac crai crap crar crca crcc crce crcr cre- crea crec cree crei crep cria cric crie crik crip crkc crkp crpc eaca eacc eaec eapc eapp eara eare earp ecaa ecac ecai ecar ecca eccc ecce ecci ecip ecka ecpa ecpp ecra ecrc ecri ecrr eeca eeea eeee eeka eeke eera eerc eica eick eiec eiei eier eika eike eiki eipr eira eire eka- ekek eker ekka ekki ekpe epaa epac epcc epci epec epee eper epi- epia epic epie epik epip eppa eppc eppp epra eprp erap erca ercc erce ercp erec erei erer eria eric erie erik erke erki erpa erpe erra errc erre iaaa iaac iaai iaap iaca iacc iacp iacr iaea iaec iaep iaia iapa iapp iara iarc iare icaa icac icai icap icar icca iccc icci iccp iccr icea icec icee icer icke icpa icpc icra icrc icre icrr ieac iecc ieie iepa iera iere ieri iiac iica iiie iiii iipa iira iirc ikar ikea ikee iker ikki ikra ikri ipac ipak ipca ipcc ipce ipea ipec ipek iper ipie ippa ippc ippr ipri irac irae irai irak irap irar irca ircc iree irer iri- iria iric irie irip irka irki irpa irpc irpe irra irrc irre irri k-ci kaaa kaai kaak kaap kaar kacc kace kaci kacp kaei kaep kaer kaia kaic kaie kaii kaik kaip kair kaka kakc kake kaki kakk kap- kapa kapc kape kapi kapp kara kare kari kark karp karr kcaa kcac kcai kcap kcar kcca kccc kcci kcck kccr kcea kcec kcee kcei kcep kcic kcie kcii kcir kckc kckk kckr kcpa kcpc kcpi kcpr kcrc kcri kcrp kcrr kea- keak keap kear keca keck kecr keek keep keer keii keik keir keka kekc keke keki kep- kepa kepc kepe kepi ker- kera kerc kere keri kerk kerp kerr kiac kiai kiap kiar kica kicc kice kick kicp kicr kier kiia kiic kiii kiik kiip kika kikc kiki kikk kikr kip- kipa kipe kipi kipp kipr kira kirc kiri kirk kirp kirr kkaa kkac kkai kkap kkar kkci kkck kkcr kkea kkia kkic kkik kkkk kkpc kkpk kkrc kkre kkrk kkrr kpac kpae kpak kpar kpcc kpcr kpek kper kpia kpir kpke kpkk kpkr kppc kppk kppp kppr