a-a a-c aaa aac aaj aak aam aan aao aar aas ac- aca acc acj ack acm acn aco acr acs aja ajc ajj ajk ajm ajn ajo ajr ajs aka akc akj akk akm akn ako akr aks ama amc amk amm amn amo amr ams an- ana anc anj ank anm ann ano anr ans aoa aoc aoj aok aom aon aoo aor aos ar- ara arc arj ark arm arn aro arr ars as- asa asc asj ask asm asn aso asr ass c-- c-j caa cac caj cak cam can cao car cas cca ccc ccj cck ccm ccn cco ccr ccs cja cjc cjk cjr cjs cka ckc ckm cko cks cma cmc cmj cmk cmm cmn cmo cmr cms cn- cna cnc cnj cnm cnn cno cnr cns co- coa coc coj cok com con coo cor cos cra crc crj crk crm crn cro crr crs csa csc csj csk csm csn cso csr css jaa jac jaj jak jam jan jao jar jas jca jcc jck jcm jco jcr jcs jja jjc jjj jjk jjr jjs jka jkk jkm jkn jko jkr jks jma jmc jmj jmm jmn jmo jmr jms jna jnc jnj jnn jno jnr jns joa joc joj jok jom jon joo jor jos jra jrc jrk jrm jrn jro jrr jrs jsa jsc jsj jsk jsm jsn jso jsr jss ka- kaa kac kaj kak kam kan kao kar kas kca kcc kck kcm kcn kcr kcs kjc kjr kjs kkc kkk kkm kkn kkr kks kma kmc kmj kmk kmm kmo kms kn- kna knc knk knm knn kno knr koa koc kok kom kon koo kor kos kra krc krk krn kro krr krs ksa ksc ksk ksm ksn kso ksr kss m-o m-r maa mac maj mak mam man mao mar mas mc- mca mcc mck mcm mcn mco mcr mcs mjc mjj mjk mjm mjr mjs mka mkc mkk mkm mkn mko mkr mks mma mmc mmj mmk mmm mmn mmo mmr mms mna mnc mnj mnk mnm mnn mno mnr mns moa moc mok mom mon moo mor mos mra mrc mrj mrk mrm mrn mro mrr mrs msa msc msj msk msm msn mso msr mss naa nac naj nak nam nan nao nar nas nca ncc nck ncm ncn nco ncr ncs nja njc njk njm njn njs nka nkc nkj nkk nkm nkn nko nkr nks nma nmc nmk nmm nmn nmo nmr nms nna nnc nnk nnm nnn nno nns no- noa noc noj nok nom non noo nor nos nra nrc nrj nrk nrm nrn nro nrr nrs nsa nsc nsk nsm nsn nso nsr nss oaa oac oaj oak oam oan oao oar oas oc- oca occ ocj ock ocm ocn oco ocr ocs oja ojc ojm ojo ojs oka okc okj okk oko okr oks om- oma omc omj omm omn omo omr oms on- ona onc onj onk onn ono onr ons oo- ooa ooc ook oom oon ooo oor oos or- ora orc ork orm orn oro orr ors os- osa osc osj osk osm osn oso osr oss ra- raa rac raj rak ram ran rao rar ras rca rcc rcj rcm rcn rco rcr rcs rja rjc rjk rjm rjr rkc rkk rkm rko rks rma rmc rmm rmn rmo rmr rms rna rnc rnm rnn rno rnr rns roa roc roj rok rom ron roo ror ros rra rrc rrk rrm rrn rrr rrs rsa rsc rsj rsk rsm rsn rso rsr rss saa sac saj sak sam san sao sar sas sca scc scj sck scm scn sco scr scs sja sjc sjj sjk sjm sjr sjs sk- ska skc skj skk skm sko skr sks sma smc smk smm smn smo smr sms sna snc snj snk snm snn sno snr sns soa soc soj sok som son soo sor sos sr- sra src srj srk srm srn sro srr srs ss- ssa ssc ssj ssk ssm ssn sso ssr sss