a-a a-c aaa aac aag aah aak aan aar ac- aca acc acg ach ack acn acr ag- aga agc agg agh agk agn agr aha ahc ahg ahh ahk ahn ahr aka akc akg akh akk akn akr an- ana anc ang anh ank ann anr ar- ara arc arg arh ark arn arr c-- caa cac cag cah cak can car cca ccc ccg cch cck ccn ccr cga cgc cgg cgh cgn cgr ch- cha chc chg chh chk chn chr cka ckc ckh cn- cna cnc cng cnh cnn cnr cra crc crg crh crk crn crr gaa gac gag gah gak gan gar gca gcc gcg gch gck gcn gcr gga ggc ggg ggh ggn ggr gha ghc ghg ghh ghn ghr gka gkh gkn gna gnc gnn gnr gra grc grg grh grk grn grr haa hac hag hah hak han har hca hcc hcg hch hck hcn hcr hga hgc hgg hgh hgk hgn hgr hha hhc hhg hhh hhk hhn hhr hka hkg hkh hkk hkn hkr hna hnc hng hnh hnk hnn hr- hra hrc hrg hrh hrk hrn hrr ka- kaa kac kag kah kak kan kar kca kcc kcg kch kck kcn kcr kga kgc kgh kha khh khk khn khr kkc kkh kkk kkn kkr kn- kna knc kng knk knn knr kra krc krg krk krn krr naa nac nag nah nak nan nar nca ncc ncg nch nck ncn ncr nga ngc ngg ngh ngk ngn nha nhc nhg nhh nhk nhn nhr nka nkc nkk nkn nkr nna nnc nng nnh nnk nnn nra nrc nrg nrk nrn nrr ra- raa rac rag rah rak ran rar rca rcc rcg rch rcn rcr rga rgc rgg rgh rgk rgn rgr rh- rha rhc rhg rhh rhn rhr rkc rkg rkk rna rnc rng rnh rnn rnr rra rrc rrg rrh rrk rrn rrr