-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aak aao aar aas ac- aca acc ace aci acj ack aco acr acs aea aec aee aei aej aek aeo aer aes ai- aia aic aie aii aik aio air ais aja ajc aje aji ajj ajk ajo ajr ajs aka akc ake aki akj akk ako akr aks aoa aoc aoe aoi aoj aok aoo aor aos ar- ara arc are ari arj ark aro arr ars as- asa asc ase asi asj ask aso asr ass c-- c-j caa cac cae cai caj cak cao car cas cca ccc cce cci ccj cck cco ccr ccs ce- cea cec cee cei cej cek ceo cer ces ci- cia cic cie cii cij cik cio cir cis cja cjc cjk cjr cjs cka ckc cki cko cks co- coa coc coe coi coj cok coo cor cos cra crc cre cri crj crk cro crr crs csa csc cse csi csj csk cso csr css eaa eac eae eai eaj eak eao ear eas ec- eca ecc ece eci ecj eck eco ecr ecs eea eec eee eek eeo eer ees eia eic eie eii eij eik eio eir eis eja ejc eji ejo eka ekc eke eki eko ekr eks eo- eoa eoc eoe eoi eok eoo eor eos era erc ere eri erk ero err ers es- esa esc ese esi esk eso esr ess ia- iaa iac iae iai iao iar ias ica icc ice ici icj ick ico icr ics ie- iea iec iee iei iej iek ier ies iia iic iie iii iij iio iir iis ija ijc ije iji ijk ijo ijs ika ikc ike iki ikk iko ikr iks io- ioa ioc ioe ioi ioj ioo ior ios ir- ira irc ire iri irj irk iro irr irs is- isa isc ise isi isj isk iso isr iss j-i jaa jac jae jai jaj jak jao jar jas jca jcc jce jci jck jco jcr jcs jea jec jee jei jej jek jeo jer jes jia jic jie jii jij jio jir jis jja jjc jjj jjk jjr jjs jka jkk jko jkr jks joa joc joe joi joj jok joo jor jos jra jrc jri jrk jro jrr jrs jsa jsc jse jsi jsj jsk jso jsr jss ka- kaa kac kae kai kaj kak kao kar kas kca kcc kce kci kck kcr kcs ke- kea kec kee kei kek keo ker kes kia kic kie kii kij kik kio kir kis kjc kje kji kjr kjs kkc kke kki kkk kkr kks koa koc koe koi kok koo kor kos kra krc kri krk kro krr krs ksa ksc kse ksi ksk kso ksr kss o-i oaa oac oae oai oaj oak oao oar oas oc- oca occ oci ocj ock oco ocr ocs oea oec oee oei oeo oer oes oia oic oie oii oik oio oir ois oja ojc oje oji ojo ojs oka okc oke oki okj okk oko okr oks oo- ooa ooc ooi ook ooo oor oos or- ora orc ore ori ork oro orr ors os- osa osc ose osi osj osk oso osr oss ra- raa rac rae rai raj rak rao rar ras rca rcc rce rci rcj rco rcr rcs re- rea rec ree rei rek reo rer res ria ric rie rii rik rio rir ris rja rjc rjk rjr rkc rke rkk rko rks roa roc roe roi roj rok roo ror ros rra rrc rri rrk rrr rrs rsa rsc rse rsi rsj rsk rso rsr rss saa sac sae sai saj sak sao sar sas sca scc sce sci scj sck sco scr scs se- sea sec see sei sej sek seo ser ses sia sic sie sii sij sik sio sir sis sja sjc sje sji sjj sjk sjr sjs sk- ska skc ske ski skj skk sko skr sks soa soc soe soi soj sok soo sor sos sr- sra src sre sri srj srk sro srr srs ss- ssa ssc sse ssi ssj ssk sso ssr sss