a-a a-c aaa aac aag aaj aak aan aao aar ac- aca acc acg acj ack acn aco acr ag- aga agc agg agj agk agn ago agr aja ajc ajj ajk ajn ajo ajr aka akc akg akj akk akn ako akr an- ana anc ang anj ank ann ano anr aoa aoc aog aoj aok aon aoo aor ar- ara arc arg arj ark arn aro arr c-- c-j caa cac cag caj cak can cao car cca ccc ccg ccj cck ccn cco ccr cga cgc cgg cgn cgo cgr cja cjc cjg cjk cjr cka ckc cko cn- cna cnc cng cnj cnn cno cnr co- coa coc cog coj cok con coo cor cra crc crg crj crk crn cro crr gaa gac gag gaj gak gan gao gar gca gcc gcg gck gcn gco gcr gga ggc ggg ggj ggn ggo ggr gja gjc gjg gjr gka gkn gko gna gnc gnn gno gnr goa goc gog gok gon goo gor gra grc grg grj grk grn gro grr jaa jac jag jaj jak jan jao jar jca jcc jck jco jcr jga jgn jgo jgr jja jjc jjg jjj jjk jjr jka jkk jkn jko jkr jna jnc jng jnj jnn jno jnr joa joc jog joj jok jon joo jor jra jrc jrg jrk jrn jro jrr ka- kaa kac kag kaj kak kan kao kar kca kcc kcg kck kcn kcr kga kgc kgo kjc kjr kkc kkk kkn kkr kn- kna knc kng knk knn kno knr koa koc kog kok kon koo kor kra krc krg krk krn kro krr naa nac nag naj nak nan nao nar nca ncc ncg nck ncn nco ncr nga ngc ngg ngj ngk ngn ngo nja njc njk njn nka nkc nkj nkk nkn nko nkr nna nnc nng nnk nnn nno no- noa noc nog noj nok non noo nor nra nrc nrg nrj nrk nrn nro nrr oaa oac oag oaj oak oan oao oar oc- oca occ ocg ocj ock ocn oco ocr oga ogc ogg ogn ogo oja ojc ojo oka okc okg okj okk oko okr on- ona onc ong onj onk onn ono onr oo- ooa ooc oog ook oon ooo oor or- ora orc org ork orn oro orr ra- raa rac rag raj rak ran rao rar rca rcc rcg rcj rcn rco rcr rga rgc rgg rgk rgn rgo rgr rja rjc rjg rjk rjr rkc rkg rkk rko rna rnc rng rnn rno rnr roa roc rog roj rok ron roo ror rra rrc rrg rrk rrn rrr