a-a a-c aaa aac aaj aam aan aao aar aas ac- aca acc acj acm acn aco acr acs aja ajc ajj ajm ajn ajo ajr ajs ama amc amm amn amo amr ams an- ana anc anj anm ann ano anr ans aoa aoc aoj aom aon aoo aor aos ar- ara arc arj arm arn aro arr ars as- asa asc asj asm asn aso asr ass c-- c-j caa cac caj cam can cao car cas cca ccc ccj ccm ccn cco ccr ccs cja cjc cjr cjs cma cmc cmj cmm cmn cmo cmr cms cn- cna cnc cnj cnm cnn cno cnr cns co- coa coc coj com con coo cor cos cra crc crj crm crn cro crr crs csa csc csj csm csn cso csr css jaa jac jaj jam jan jao jar jas jca jcc jcm jco jcr jcs jja jjc jjj jjr jjs jma jmc jmj jmm jmn jmo jmr jms jna jnc jnj jnn jno jnr jns joa joc joj jom jon joo jor jos jra jrc jrm jrn jro jrr jrs jsa jsc jsj jsm jsn jso jsr jss m-o m-r maa mac maj mam man mao mar mas mc- mca mcc mcm mcn mco mcr mcs mjc mjj mjm mjr mjs mma mmc mmj mmm mmn mmo mmr mms mna mnc mnj mnm mnn mno mnr mns moa moc mom mon moo mor mos mra mrc mrj mrm mrn mro mrr mrs msa msc msj msm msn mso msr mss naa nac naj nam nan nao nar nas nca ncc ncm ncn nco ncr ncs nja njc njm njn njs nma nmc nmm nmn nmo nmr nms nna nnc nnm nnn nno nns no- noa noc noj nom non noo nor nos nra nrc nrj nrm nrn nro nrr nrs nsa nsc nsm nsn nso nsr nss oaa oac oaj oam oan oao oar oas oc- oca occ ocj ocm ocn oco ocr ocs oja ojc ojm ojo ojs om- oma omc omj omm omn omo omr oms on- ona onc onj onn ono onr ons oo- ooa ooc oom oon ooo oor oos or- ora orc orm orn oro orr ors os- osa osc osj osm osn oso osr oss ra- raa rac raj ram ran rao rar ras rca rcc rcj rcm rcn rco rcr rcs rja rjc rjm rjr rma rmc rmm rmn rmo rmr rms rna rnc rnm rnn rno rnr rns roa roc roj rom ron roo ror ros rra rrc rrm rrn rrr rrs rsa rsc rsj rsm rsn rso rsr rss saa sac saj sam san sao sar sas sca scc scj scm scn sco scr scs sja sjc sjj sjm sjr sjs sma smc smm smn smo smr sms sna snc snj snm snn sno snr sns soa soc soj som son soo sor sos sr- sra src srj srm srn sro srr srs ss- ssa ssc ssj ssm ssn sso ssr sss