-er -ic a-a a-c a-i aaa aac aae aai aao aap aar ac- aca acc ace aci aco acp acr aea aec aee aei aeo aep aer ai- aia aic aie aii aio aip air aoa aoc aoe aoi aoo aop aor ap- apa apc ape api apo app apr ar- ara arc are ari aro arp arr c-- caa cac cae cai cao cap car cca ccc cce cci cco ccp ccr ce- cea cec cee cei ceo cep cer ci- cia cic cie cii cio cip cir co- coa coc coe coi coo cop cor cpa cpc cpe cpi cpo cpp cpr cra crc cre cri cro crp crr eaa eac eae eai eao eap ear ec- eca ecc ece eci eco ecr eea eec eee eeo eep eer eia eic eie eii eio eip eir eo- eoa eoc eoe eoi eoo eop eor ep- epa epc epe epi epo epp epr era erc ere eri ero erp err ia- iaa iac iae iai iao iap iar ica icc ice ici ico icp icr ie- iea iec iee iei iep ier iia iic iie iii iio iip iir io- ioa ioc ioe ioi ioo iop ior ipa ipc ipe ipi ipo ipp ipr ir- ira irc ire iri iro irp irr o-i oaa oac oae oai oao oap oar oc- oca occ oci oco ocp ocr oea oec oee oei oeo oep oer oia oic oie oii oio oip oir oo- ooa ooc ooi ooo oop oor op- opa opc ope opi opo opp opr or- ora orc ore ori oro orp orr p-p paa pac pae pai pao pap par pca pcc pce pci pco pcp pcr pea pec pee pei peo pep per pia pic pie pii pio pip pir poa poc poe poi poo pop por ppa ppc ppe ppi ppo ppp ppr pra prc pre pri pro prp prr ra- raa rac rae rai rao rap rar rca rcc rce rci rco rcp rcr re- rea rec ree rei reo rep rer ria ric rie rii rio rip rir roa roc roe roi roo rop ror rpa rpc rpe rpi rpo rpp rpr rra rrc rri rrp rrr

a-ii aaaa aaac aaae aaai aaap aaar aaca aacc aace aaci aaco aacp aacr aaea aaec aaep aaic aaii aaoe aaoo aapa aapc aapi aapo aara aarc aare aari aaro aarp acaa acac acae acai acap acar acca accc acce acci acco accp ace- acea acec acer aci- acia acic acie acip acir acoa acoe acop acor acpa acpe acpi acpr acr- acra acrc acre acri acro acrr aeac aeap aeci aeer aeio aer- aera aerc aeri aero aiai aica aicc aice aicp aicr aiea aiee aiia aiic aiir aioc aioi aipa aipe aipi aira aire airi airo airp aoca aoce aopo aora apac apai apao apap apar apca apcc apco apcr apea apec apep aper api- apia apic apie apio apip apo- apoc apoe apoo apop apor appa appc appr apra aprc apre apri apro arac arae arai arap arar arc- arca arce arci arco area arec aree arei areo arep aria arie arii ario arip aroa aroe aroi aroo aror arpa arpe arpi arr- arra arrc arre arri arro arrr caaa caac caap cac- caca cacc cace caci caco cacr caec caei caer caia caic caio caip cair caoi caor capa capc cape capi capo capp cara carc care cari caro carp carr ccaa ccac ccai ccap ccar ccca cccc ccci cccp ccee ccic ccii ccip ccir ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ceac cear cec- ceca cece ceci ceco cecp ceec ceip ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere ceri cero cerp ciaa ciao ciar cica cicc cici cico cicr ciee cier ciia ciii cior cipa cipo cipp cira circ cire ciri ciro cirr coai coca coce coco cocp coep coia coip coir coop copa cope copi copo copp copr cor- cora corc core cori coro corp corr cpaa cpac cpap cpca cpce cpea cpep cper cpia cpic cpio cppa cpre cpri crac crai crap crar crca crcc crce crcr cre- crea crec cree crei creo crep cria cric crie crip croc croe croo crop cror crpc eaca eacc eaec eaop eapc eapp eara eare earo earp ecaa ecac ecai ecao ecar ecca eccc ecce ecci ecco ecip eco- ecop ecpa ecpp ecra ecrc ecri ecrr eeca eeea eeee eeoc eera eerc eero eiao eica eico eiec eiei eier eipo eipr eira eire eoir eora eore eori epaa epac epcc epci epec epee eper epi- epia epic epie epip epoc epor eppa eppc eppo eppp epra epro eprp erap erca ercc erce ercp erec erei erer eria eric erie erio eroc eroe eroi eroo erpa erpe erra errc erre erro iaaa iaac iaai iaap iaca iacc iacp iacr iaea iaec iaep iaia iapa iapp iara iarc iare icaa icac icai icao icap icar icca iccc icci icco iccp iccr icea icec icee icer icoc icor icpa icpc icpo icra icrc icre icrr ieac iecc ieie ieio iepa iera iere ieri iiac iica iiie iiii iiio iioi iioo iiop iipa iira iirc ioci iocp ioee ioii ioio iooi iooo iora iore iori ipac ipca ipcc ipce ipea ipec iper ipie ipoe ipop ippa ippc ippo ippr ipri irac irae irai irao irap irar irca ircc iree irer iri- iria iric irie irio irip iroc irop irpa irpc irpe irra irrc irre irri o-eo oaer oaic oapi oara oare ocac ocap occa occc occi oce ocee ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere oici oier oiii oipc oira oire ooaa oocr ooer ooia oooo oora oore opap opar opca opec opei opep oper opia opic opie opii opio opo- opor oppa oppi oppo opra orac orae orai orao orar orca orce orci orco ore- orea orec oreo orer ori- oria oric orie orio oro- oroe oror orpc orpe orpi orra orri orro paap paar paca pace paci paco paea paec