a-a a-i aaa aai aak aan aao aar aas ai- aia aii aik ain aio air ais aka aki akk akn ako akr aks an- ana ani ank ann ano anr ans aoa aoi aok aon aoo aor aos ar- ara ari ark arn aro arr ars as- asa asi ask asn aso asr ass ia- iaa iai ian iao iar ias iia iii iin iio iir iis ika iki ikk iko ikr iks in- ina ini ink inn ino inr ins io- ioa ioi ion ioo ior ios ir- ira iri irk irn iro irr irs is- isa isi isk isn iso isr iss ka- kaa kai kak kan kao kar kas kia kii kik kin kio kir kis kki kkk kkn kkr kks kn- kna kni knk knn kno knr koa koi kok kon koo kor kos kra kri krk krn kro krr krs ksa ksi ksk ksn kso ksr kss n-i naa nai nak nan nao nar nas nia nii nik nin nio nir nis nka nki nkk nkn nko nkr nks nna nni nnk nnn nno nns no- noa noi nok non noo nor nos nra nri nrk nrn nro nrr nrs nsa nsi nsk nsn nso nsr nss o-i oaa oai oak oan oao oar oas oia oii oik oin oio oir ois oka oki okk oko okr oks on- ona oni onk onn ono onr ons oo- ooa ooi ook oon ooo oor oos or- ora ori ork orn oro orr ors os- osa osi osk osn oso osr oss ra- raa rai rak ran rao rar ras ria rii rik rin rio rir ris rkk rko rks rna rni rnn rno rnr rns roa roi rok ron roo ror ros rra rri rrk rrn rrr rrs rsa rsi rsk rsn rso rsr rss saa sai sak san sao sar sas sia sii sik sin sio sir sis sk- ska ski skk sko skr sks sna sni snk snn sno snr sns soa soi sok son soo sor sos sr- sra sri srk srn sro srr srs ss- ssa ssi ssk ssn sso ssr sss