a-a a-i aaa aai aak aan aao aar ai- aia aii aik ain aio air aka aki akk akn ako akr an- ana ani ank ann ano anr aoa aoi aok aon aoo aor ar- ara ari ark arn aro arr ia- iaa iai ian iao iar 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 ka- kaa kai kak kan kao kar kia kii kik kin kio kir kki kkk kkn kkr kn- kna kni knk knn kno knr koa koi kok kon koo kor kra kri krk krn kro krr n-i naa nai nak nan nao nar nia nii nik nin nio nir nka nki nkk nkn nko nkr nna nni nnk nnn nno no- noa noi nok non noo nor nra nri nrk nrn nro nrr o-i oaa oai oak oan oao oar oia oii oik oin oio oir 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 ra- raa rai rak ran rao rar ria rii rik rin rio rir rkk rko rna rni rnn rno rnr roa roi rok ron roo ror rra rri rrk rrn rrr