a-a a-i a-z aaa aai aak aan aao aar aaz ai- aia aii aik ain aio air aiz aka aki akk akn ako akr an- ana ani ank ann ano anr anz aoa aoi aok aon aoo aor ar- ara ari ark arn aro arr arz az- aza azi azn azo azz ia- iaa iai ian iao iar iaz iia iii iin iio iir ika iki ikk iko ikr in- ina ini ink inn ino inr io- ioa ioi ion ioo ior ir- ira iri irk irn iro irr iza izi izo izz k-z ka- kaa kai kak kan kao kar kaz kia kii kik kin kio kir kiz kki kkk kkn kkr kn- kna kni knk knn kno knr koa koi kok kon koo kor koz kra kri krk krn kro krr kzo n-i naa nai nak nan nao nar naz nia nii nik nin nio nir niz nka nki nkk nkn nko nkr nna nni nnk nnn nno nnz no- noa noi nok non noo nor noz nra nri nrk nrn nro nrr nrz nzi nzo nzz o-i oaa oai oak oan oao oar oia oii oik oin oio oir oiz oka oki okk oko okr on- ona oni onk onn ono onr oo- ooa ooi ook oon ooo oor or- ora ori ork orn oro orr orz oza ozo ozz ra- raa rai rak ran rao rar raz ria rii rik rin rio rir riz rkk rko rkz rna rni rnn rno rnr rnz roa roi rok ron roo ror roz rra rri rrk rrn rrr rza rzo zaa zai zak zan zao zar zaz zia zik zin zio zir ziz zka znn zno zo- zoa zoi zok zon zoo zor zro zzr zzz