a-a a-z aaa aag aan aar aaz ag- aga agg agn agr agz an- ana ang ann anr anz ar- ara arg arn arr arz az- aza azg azn azz gaa gag gan gar gaz gga ggg ggn ggr ggz gna gnn gnr gra grg grn grr gza gzr naa nag nan nar naz nga ngg ngn nna nng nnn nnz nra nrg nrn nrr nrz nzg nzz ra- raa rag ran rar raz rga rgg rgn rgr rna rng rnn rnr rnz rra rrg rrn rrr rza z-g zaa zag zan zar zaz zgg znn zzr zzz