a-a a-z aaa aad aag aak aao aar aaz ad- ada add adg adk ado adr adz ag- aga agd agg agk ago agr agz aka akd akg akk ako akr aoa aod aog aok aoo aor ar- ara ard arg ark aro arr arz az- aza azd azg azo azz daa dad dag dak dao dar daz dda ddd ddg ddk ddo ddr ddz dga dgd dgg dgk dgr dgz dka dkg dkk dko dkr doa dod dog dok doo dor doz dra drd drg drk dro drr drz dza dzd dzo dzr g-d gaa gad gag gak gao gar gaz gda gdd gdk gdo gdr gga ggd ggg ggo ggr ggz gka gkd gko goa god gog gok goo gor goz gra grd grg grk gro grr gza gzo gzr k-z ka- kaa kad kag kak kao kar kaz kda kdg kdk kdo kdr kga kgd kgo kkk kkr koa kod kog kok koo kor koz kra krd krg krk kro krr kzo oaa oad oag oak oao oar oda odd odg odo odr oga ogd ogg ogo oka okd okg okk oko okr oo- ooa ood oog ook ooo oor or- ora ord org ork oro orr orz oza ozo ozz ra- raa rad rag rak rao rar raz rda rdd rdg rdo rdr rga rgd rgg rgk rgo rgr rkg rkk rko rkz roa rod rog rok roo ror roz rra rrd rrg rrk rrr rza rzo z-g zaa zad zag zak zao zar zaz zgg zka zo- zoa zod zog zok zoo zor zro zzr zzz