-er a-a aaa aae aak aam aan aar aea aee aek aem aen aer aka ake akk akm akn akr ama ame amk amm amn amr an- ana ane ank anm ann anr ar- ara are ark arm arn arr eaa eae eak eam ean ear eea eee eek eem een eer eka eke ekr em- ema eme emk emm emn emr en- ena ene enk enm enn enr era ere erk erm ern err ka- kaa kae kak kam kan kar ke- kea kee kek kem ken ker kke kkk kkm kkn kkr kma kme kmk kmm kn- kna kne knk knm knn knr kra krk krn krr m-r maa mae mak mam man mar mea mee mek mem men mer mka mke mkk mkm mkn mkr mma mme mmk mmm mmn mmr mna mne mnk mnm mnn mnr mra mre mrk mrm mrn mrr naa nae nak nam nan nar ne- nea nee nek nem nen ner nka nke nkk nkm nkn nkr nma nme nmk nmm nmn nmr nna nne nnk nnm nnn nra nre nrk nrm nrn nrr ra- raa rae rak ram ran rar re- rea ree rek rem ren rer rke rkk rkm rma rme rmm rmn rmr rna rnm rnn rnr rra rrk rrm rrn rrr