-er a-a aaa aae aak aam aan aar aas aea aee aek aem aen aer aes aka ake akk akm akn akr aks ama ame amk amm amn amr ams an- ana ane ank anm ann anr ans ar- ara are ark arm arn arr ars as- asa ase ask asm asn asr ass eaa eae eak eam ean ear eas eea eee eek eem een eer ees eka eke ekr eks em- ema eme emk emm emn emr ems en- ena ene enk enm enn enr ens era ere erk erm ern err ers es- esa ese esk esm esn esr ess ka- kaa kae kak kam kan kar kas ke- kea kee kek kem ken ker kes kke kkk kkm kkn kkr kks kma kme kmk kmm kms kn- kna kne knk knm knn knr kra krk krn krr krs ksa kse ksk ksm ksn ksr kss m-r maa mae mak mam man mar mas mea mee mek mem men mer mes mka mke mkk mkm mkn mkr mks mma mme mmk mmm mmn mmr mms mna mne mnk mnm mnn mnr mns mra mre mrk mrm mrn mrr mrs msa mse msk msm msn msr mss naa nae nak nam nan nar nas ne- nea nee nek nem nen ner nes nka nke nkk nkm nkn nkr nks nma nme nmk nmm nmn nmr nms nna nne nnk nnm nnn nns nra nre nrk nrm nrn nrr nrs nsa nse nsk nsm nsn nsr nss ra- raa rae rak ram ran rar ras re- rea ree rek rem ren rer res rke rkk rkm rks rma rme rmm rmn rmr rms rna rnm rnn rnr rns rra rrk rrm rrn rrr rrs rsa rse rsk rsm rsn rsr rss saa sae sak sam san sar sas se- sea see sek sem sen ser ses sk- ska ske skk skm skr sks sma sme smk smm smn smr sms sna sne snk snm snn snr sns sr- sra sre srk srm srn srr srs ss- ssa sse ssk ssm ssn ssr sss