a-a a-z aaa aag aak aan aao aar aaz ag- aga agg agk agn ago agr agz aka akg akk akn ako akr an- ana ang ank ann ano anr anz aoa aog aok aon aoo aor ar- ara arg ark arn aro arr arz az- aza azg azn azo azz gaa gag gak gan gao gar gaz gga ggg ggn ggo ggr ggz gka gkn gko gna gnn gno gnr goa gog gok gon goo gor goz gra grg grk grn gro grr gza gzo gzr k-z ka- kaa kag kak kan kao kar kaz kga kgo kkk kkn kkr kn- kna kng knk knn kno knr koa kog kok kon koo kor koz kra krg krk krn kro krr kzo naa nag nak nan nao nar naz nga ngg ngk ngn ngo nka nkk nkn nko nkr nna nng nnk nnn nno nnz no- noa nog nok non noo nor noz nra nrg nrk nrn nro nrr nrz nzg nzo nzz 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 orz oza ozo ozz ra- raa rag rak ran rao rar raz rga rgg rgk rgn rgo rgr rkg rkk rko rkz rna rng rnn rno rnr rnz roa rog rok ron roo ror roz rra rrg rrk rrn rrr rza rzo z-g zaa zag zak zan zao zar zaz zgg zka znn zno zo- zoa zog zok zon zoo zor zro zzr zzz