-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aak aar aas ac- aca acc ace aci acj ack acr acs aea aec aee aei aej aek aer aes ai- aia aic aie aii aik air ais aja ajc aje aji ajj ajk ajr ajs aka akc ake aki akj akk akr aks ar- ara arc are ari arj ark arr ars as- asa asc ase asi asj ask asr ass c-- c-j caa cac cae cai caj cak car cas cca ccc cce cci ccj cck ccr ccs ce- cea cec cee cei cej cek cer ces ci- cia cic cie cii cij cik cir cis cja cjc cjk cjr cjs cka ckc cki cks cra crc cre cri crj crk crr crs csa csc cse csi csj csk csr css eaa eac eae eai eaj eak ear eas ec- eca ecc ece eci ecj eck ecr ecs eea eec eee eek eer ees eia eic eie eii eij eik eir eis eja ejc eji eka ekc eke eki ekr eks era erc ere eri erk err ers es- esa esc ese esi esk esr ess ia- iaa iac iae iai iar ias ica icc ice ici icj ick icr ics ie- iea iec iee iei iej iek ier ies iia iic iie iii iij iir iis ija ijc ije iji ijk ijs ika ikc ike iki ikk ikr iks ir- ira irc ire iri irj irk irr irs is- isa isc ise isi isj isk isr iss j-i jaa jac jae jai jaj jak jar jas jca jcc jce jci jck jcr jcs jea jec jee jei jej jek jer jes jia jic jie jii jij jir jis jja jjc jjj jjk jjr jjs jka jkk jkr jks jra jrc jri jrk jrr jrs jsa jsc jse jsi jsj jsk jsr jss ka- kaa kac kae kai kaj kak kar kas kca kcc kce kci kck kcr kcs ke- kea kec kee kei kek ker kes kia kic kie kii kij kik kir kis kjc kje kji kjr kjs kkc kke kki kkk kkr kks kra krc kri krk krr krs ksa ksc kse ksi ksk ksr kss ra- raa rac rae rai raj rak rar ras rca rcc rce rci rcj rcr rcs re- rea rec ree rei rek rer res ria ric rie rii rik rir ris rja rjc rjk rjr rkc rke rkk rks rra rrc rri rrk rrr rrs rsa rsc rse rsi rsj rsk rsr rss saa sac sae sai saj sak sar sas sca scc sce sci scj sck scr scs se- sea sec see sei sej sek ser ses sia sic sie sii sij sik sir sis sja sjc sje sji sjj sjk sjr sjs sk- ska skc ske ski skj skk skr sks sr- sra src sre sri srj srk srr srs ss- ssa ssc sse ssi ssj ssk ssr sss