a-a aaa aag aak aan aao aar ag- aga agg agk agn ago agr aka akg akk akn ako akr an- ana ang ank ann ano anr aoa aog aok aon aoo aor ar- ara arg ark arn aro arr gaa gag gak gan gao gar gga ggg ggn ggo ggr gka gkn gko gna gnn gno gnr goa gog gok gon goo gor gra grg grk grn gro grr ka- kaa kag kak kan kao kar kga kgo kkk kkn kkr kn- kna kng knk knn kno knr koa kog kok kon koo kor kra krg krk krn kro krr naa nag nak nan nao nar nga ngg ngk ngn ngo nka nkk nkn nko nkr nna nng nnk nnn nno no- noa nog nok non noo nor nra nrg nrk nrn nro nrr oaa oag oak oan oao oar oga ogg ogn ogo oka okg okk oko okr on- ona ong onk onn ono onr oo- ooa oog ook oon ooo oor or- ora org ork orn oro orr ra- raa rag rak ran rao rar rga rgg rgk rgn rgo rgr rkg rkk rko rna rng rnn rno rnr roa rog rok ron roo ror rra rrg rrk rrn rrr