a-a a-c aaa aac aaj aao aar aas ac- aca acc acj aco acr acs aja ajc ajj ajo ajr ajs aoa aoc aoj aoo aor aos ar- ara arc arj aro arr ars as- asa asc asj aso asr ass c-- c-j caa cac caj cao car cas cca ccc ccj cco ccr ccs cja cjc cjr cjs co- coa coc coj coo cor cos cra crc crj cro crr crs csa csc csj cso csr css jaa jac jaj jao jar jas jca jcc jco jcr jcs jja jjc jjj jjr jjs joa joc joj joo jor jos jra jrc jro jrr jrs jsa jsc jsj jso jsr jss oaa oac oaj oao oar oas oc- oca occ ocj oco ocr ocs oja ojc ojo ojs oo- ooa ooc ooo oor oos or- ora orc oro orr ors os- osa osc osj oso osr oss ra- raa rac raj rao rar ras rca rcc rcj rco rcr rcs rja rjc rjr roa roc roj roo ror ros rra rrc rrr rrs rsa rsc rsj rso rsr rss saa sac saj sao sar sas sca scc scj sco scr scs sja sjc sjj sjr sjs soa soc soj soo sor sos sr- sra src srj sro srr srs ss- ssa ssc ssj sso ssr sss