a-a a-c aaa aac aag aan aar aau ac- aca acc acg acn acr acu ag- aga agc agg agn agr agu an- ana anc ang ann anr anu ar- ara arc arg arn arr aru au- aua auc aug aun aur c-- caa cac cag can car cau cca ccc ccg ccn ccr ccu cga cgc cgg cgn cgr cgu cn- cna cnc cng cnn cnr cnu cra crc crg crn crr cru cua cuc cug cun cur cuu gaa gac gag gan gar gau gca gcc gcg gcn gcr gcu gga ggc ggg ggn ggr ggu gna gnc gnn gnr gnu gra grc grg grn grr gru gu- gua guc gug gun gur guu naa nac nag nan nar nau nca ncc ncg ncn ncr ncu nga ngc ngg ngn ngu nna nnc nng nnn nnu nra nrc nrg nrn nrr nru nua nuc nug nun nur nuu ra- raa rac rag ran rar rau rca rcc rcg rcn rcr rcu rga rgc rgg rgn rgr rna rnc rng rnn rnr rnu rra rrc rrg rrn rrr rru rua ruc rug run rur ruu ua- uaa uac uag uan uar uau uca ucc ucg ucn ucr ucu uga ugc ugg ugn ugr ugu un- una unc ung unn unr unu ur- ura urc urg urn urr uru uua uuc uug uun uur uuu