a-a a-i a-z aaa aag aai aak aao aar aaz ag- aga agg agi agk ago agr agz ai- aia aig aii aik aio air aiz aka akg aki akk ako akr aoa aog aoi aok aoo aor ar- ara arg ari ark aro arr arz az- aza azg azi azo azz gaa gag gai gak gao gar gaz gga ggg ggi ggo ggr ggz gia gig gii gik gio gir giz gka gko goa gog goi gok goo gor goz gra grg gri grk gro grr gza gzo gzr ia- iaa iag iai iao iar iaz iga igg igi igk igo igr iia iii iio iir ika iki ikk iko ikr io- ioa iog ioi ioo ior ir- ira irg iri irk iro irr iza izi izo izz k-z ka- kaa kag kai kak kao kar kaz kga kgi kgo kia kig kii kik kio kir kiz kki kkk kkr koa kog koi kok koo kor koz kra krg kri krk kro krr kzo o-i oaa oag oai oak oao oar oga ogg ogi ogo oia oii oik oio oir oiz oka okg oki okk oko okr oo- ooa oog ooi ook ooo oor or- ora org ori ork oro orr orz oza ozo ozz ra- raa rag rai rak rao rar raz rga rgg rgi rgk rgo rgr ria rig rii rik rio rir riz rkg rkk rko rkz roa rog roi rok roo ror roz rra rrg rri rrk rrr rza rzo z-g zaa zag zai zak zao zar zaz zgg zgi zia zig zik zio zir ziz zka zo- zoa zog zoi zok zoo zor zro zzr zzz