-er a-a a-i aaa aae aai aak aan aao aar aas aea aee aei aek aen aeo aer aes ai- aia aie aii aik ain aio air ais aka ake aki akk akn ako akr aks an- ana ane ani ank ann ano anr ans aoa aoe aoi aok aon aoo aor aos ar- ara are ari ark arn aro arr ars as- asa ase asi ask asn aso asr ass eaa eae eai eak ean eao ear eas eea eee eek een eeo eer ees eia eie eii eik ein eio eir eis eka eke eki eko ekr eks en- ena ene eni enk enn eno enr ens eo- eoa eoe eoi eok eon eoo eor eos era ere eri erk ern ero err ers es- esa ese esi esk esn eso esr ess ia- iaa iae iai ian iao iar ias ie- iea iee iei iek ien ier ies iia iie iii iin iio iir iis ika ike iki ikk iko ikr iks in- ina ine ini ink inn ino inr ins io- ioa ioe ioi ion ioo ior ios ir- ira ire iri irk irn iro irr irs is- isa ise isi isk isn iso isr iss ka- kaa kae kai kak kan kao kar kas ke- kea kee kei kek ken keo ker kes kia kie kii kik kin kio kir kis kke kki kkk kkn kkr kks kn- kna kne kni knk knn kno knr koa koe koi kok kon koo kor kos kra kri krk krn kro krr krs ksa kse ksi ksk ksn kso ksr kss n-i naa nae nai nak nan nao nar nas ne- nea nee nei nek nen neo ner nes nia nie nii nik nin nio nir nis nka nke nki nkk nkn nko nkr nks nna nne nni nnk nnn nno nns no- noa noe noi nok non noo nor nos nra nre nri nrk nrn nro nrr nrs nsa nse nsi nsk nsn nso nsr nss o-i oaa oae oai oak oan oao oar oas oea oee oei oen oeo oer oes oia oie oii oik oin oio oir ois oka oke oki okk oko okr oks on- ona one oni onk onn ono onr ons oo- ooa ooi ook oon ooo oor oos or- ora ore ori ork orn oro orr ors os- osa ose osi osk osn oso osr oss ra- raa rae rai rak ran rao rar ras re- rea ree rei rek ren reo rer res ria rie rii rik rin rio rir ris rke rkk rko rks rna rni rnn rno rnr rns roa roe roi rok ron roo ror ros rra rri rrk rrn rrr rrs rsa rse rsi rsk rsn rso rsr rss saa sae sai sak san sao sar sas se- sea see sei sek sen seo ser ses sia sie sii sik sin sio sir sis sk- ska ske ski skk sko skr sks sna sne sni snk snn sno snr sns soa soe soi sok son soo sor sos sr- sra sre sri srk srn sro srr srs ss- ssa sse ssi ssk ssn sso ssr sss