a-a aaa aag aak aan aar ag- aga agg agk agn agr aka akg akk akn akr an- ana ang ank ann anr ar- ara arg ark arn arr gaa gag gak gan gar gga ggg ggn ggr gka gkn gna gnn gnr gra grg grk grn grr ka- kaa kag kak kan kar kga kkk kkn kkr kn- kna kng knk knn knr kra krg krk krn krr naa nag nak nan nar nga ngg ngk ngn nka nkk nkn nkr nna nng nnk nnn nra nrg nrk nrn nrr ra- raa rag rak ran rar rga rgg rgk rgn rgr rkg rkk rna rng rnn rnr rra rrg rrk rrn rrr