-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aao aar aas ac- aca acc ace aci acj aco acr acs aea aec aee aei aej aeo aer aes ai- aia aic aie aii aio air ais aja ajc aje aji ajj ajo ajr ajs aoa aoc aoe aoi aoj aoo aor aos ar- ara arc are ari arj aro arr ars as- asa asc ase asi asj aso asr ass c-- c-j caa cac cae cai caj cao car cas cca ccc cce cci ccj cco ccr ccs ce- cea cec cee cei cej ceo cer ces ci- cia cic cie cii cij cio cir cis cja cjc cjr cjs co- coa coc coe coi coj coo cor cos cra crc cre cri crj cro crr crs csa csc cse csi csj cso csr css eaa eac eae eai eaj eao ear eas ec- eca ecc ece eci ecj eco ecr ecs eea eec eee eeo eer ees eia eic eie eii eij eio eir eis eja ejc eji ejo eo- eoa eoc eoe eoi eoo eor eos era erc ere eri ero err ers es- esa esc ese esi eso esr ess ia- iaa iac iae iai iao iar ias ica icc ice ici icj ico icr ics ie- iea iec iee iei iej ier ies iia iic iie iii iij iio iir iis ija ijc ije iji ijo ijs io- ioa ioc ioe ioi ioj ioo ior ios ir- ira irc ire iri irj iro irr irs is- isa isc ise isi isj iso isr iss j-i jaa jac jae jai jaj jao jar jas jca jcc jce jci jco jcr jcs jea jec jee jei jej jeo jer jes jia jic jie jii jij jio jir jis jja jjc jjj jjr jjs joa joc joe joi joj joo jor jos jra jrc jri jro jrr jrs jsa jsc jse jsi jsj jso jsr jss o-i oaa oac oae oai oaj oao oar oas oc- oca occ oci ocj oco ocr ocs oea oec oee oei oeo oer oes oia oic oie oii oio oir ois oja ojc oje oji ojo ojs oo- ooa ooc ooi ooo oor oos or- ora orc ore ori oro orr ors os- osa osc ose osi osj oso osr oss ra- raa rac rae rai raj rao rar ras rca rcc rce rci rcj rco rcr rcs re- rea rec ree rei reo rer res ria ric rie rii rio rir ris rja rjc rjr roa roc roe roi roj roo ror ros rra rrc rri rrr rrs rsa rsc rse rsi rsj rso rsr rss saa sac sae sai saj sao sar sas sca scc sce sci scj sco scr scs se- sea sec see sei sej seo ser ses sia sic sie sii sij sio sir sis sja sjc sje sji sjj sjr sjs soa soc soe soi soj soo sor sos sr- sra src sre sri srj sro srr srs ss- ssa ssc sse ssi ssj sso ssr sss