-er a-a aaa aae aak aam aan aao aar aea aee aek aem aen aeo aer aka ake akk akm akn ako akr ama ame amk amm amn amo amr an- ana ane ank anm ann ano anr aoa aoe aok aom aon aoo aor ar- ara are ark arm arn aro arr eaa eae eak eam ean eao ear eea eee eek eem een eeo eer eka eke eko ekr em- ema eme emk emm emn emo emr en- ena ene enk enm enn eno enr eo- eoa eoe eok eom eon eoo eor era ere erk erm ern ero err ka- kaa kae kak kam kan kao kar ke- kea kee kek kem ken keo ker kke kkk kkm kkn kkr kma kme kmk kmm kmo kn- kna kne knk knm knn kno knr koa koe kok kom kon koo kor kra krk krn kro krr m-o m-r maa mae mak mam man mao mar mea mee mek mem men meo mer mka mke mkk mkm mkn mko mkr mma mme mmk mmm mmn mmo mmr mna mne mnk mnm mnn mno mnr moa moe mok mom mon moo mor mra mre mrk mrm mrn mro mrr naa nae nak nam nan nao nar ne- nea nee nek nem nen neo ner nka nke nkk nkm nkn nko nkr nma nme nmk nmm nmn nmo nmr nna nne nnk nnm nnn nno no- noa noe nok nom non noo nor nra nre nrk nrm nrn nro nrr oaa oae oak oam oan oao oar oea oee oem oen oeo oer oka oke okk oko okr om- oma ome omm omn omo omr on- ona one onk onn ono onr oo- ooa ook oom oon ooo oor or- ora ore ork orm orn oro orr ra- raa rae rak ram ran rao rar re- rea ree rek rem ren reo rer rke rkk rkm rko rma rme rmm rmn rmo rmr rna rnm rnn rno rnr roa roe rok rom ron roo ror rra rrk rrm rrn rrr