-ic -ji a-a a-c a-i aaa aac aai aaj aao aar aas ac- aca acc aci acj aco acr acs ai- aia aic aii aio air ais aja ajc aji ajj ajo ajr ajs aoa aoc aoi aoj aoo aor aos ar- ara arc ari arj aro arr ars as- asa asc asi asj aso asr ass c-- c-j caa cac cai caj cao car cas cca ccc cci ccj cco ccr ccs ci- cia cic cii cij cio cir cis cja cjc cjr cjs co- coa coc coi coj coo cor cos cra crc cri crj cro crr crs csa csc csi csj cso csr css ia- iaa iac iai iao iar ias ica icc ici icj ico icr ics iia iic iii iij iio iir iis ija ijc iji ijo ijs io- ioa ioc ioi ioj ioo ior ios ir- ira irc iri irj iro irr irs is- isa isc isi isj iso isr iss j-i jaa jac jai jaj jao jar jas jca jcc jci jco jcr jcs jia jic jii jij jio jir jis jja jjc jjj jjr jjs joa joc joi joj joo jor jos jra jrc jri jro jrr jrs jsa jsc jsi jsj jso jsr jss o-i oaa oac oai oaj oao oar oas oc- oca occ oci ocj oco ocr ocs oia oic oii oio oir ois oja ojc oji ojo ojs oo- ooa ooc ooi ooo oor oos or- ora orc ori oro orr ors os- osa osc osi osj oso osr oss ra- raa rac rai raj rao rar ras rca rcc rci rcj rco rcr rcs ria ric rii rio rir ris rja rjc rjr roa roc roi roj roo ror ros rra rrc rri rrr rrs rsa rsc rsi rsj rso rsr rss saa sac sai saj sao sar sas sca scc sci scj sco scr scs sia sic sii sij sio sir sis sja sjc sji sjj sjr sjs soa soc soi soj soo sor sos sr- sra src sri srj sro srr srs ss- ssa ssc ssi ssj sso ssr sss