-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aar aas ac- aca acc ace aci acj acr acs aea aec aee aei aej aer aes ai- aia aic aie aii air ais aja ajc aje aji ajj ajr ajs ar- ara arc are ari arj arr ars as- asa asc ase asi asj asr ass c-- c-j caa cac cae cai caj car cas cca ccc cce cci ccj ccr ccs ce- cea cec cee cei cej cer ces ci- cia cic cie cii cij cir cis cja cjc cjr cjs cra crc cre cri crj crr crs csa csc cse csi csj csr css eaa eac eae eai eaj ear eas ec- eca ecc ece eci ecj ecr ecs eea eec eee eer ees eia eic eie eii eij eir eis eja ejc eji era erc ere eri err ers es- esa esc ese esi esr ess ia- iaa iac iae iai iar ias ica icc ice ici icj icr ics ie- iea iec iee iei iej ier ies iia iic iie iii iij iir iis ija ijc ije iji ijs ir- ira irc ire iri irj irr irs is- isa isc ise isi isj isr iss j-i jaa jac jae jai jaj jar jas jca jcc jce jci jcr jcs jea jec jee jei jej jer jes jia jic jie jii jij jir jis jja jjc jjj jjr jjs jra jrc jri jrr jrs jsa jsc jse jsi jsj jsr jss ra- raa rac rae rai raj rar ras rca rcc rce rci rcj rcr rcs re- rea rec ree rei rer res ria ric rie rii rir ris rja rjc rjr rra rrc rri rrr rrs rsa rsc rse rsi rsj rsr rss saa sac sae sai saj sar sas sca scc sce sci scj scr scs se- sea sec see sei sej ser ses sia sic sie sii sij sir sis sja sjc sje sji sjj sjr sjs sr- sra src sre sri srj srr srs ss- ssa ssc sse ssi ssj ssr sss