-er eee eek eem een eer eet eke ekr ekt em- eme emk emm emn emr emt en- ene enk enm enn enr ent ere erk erm ern err ert ete etk etm etn etr ett k-t ke- kee kek kem ken ker ket kke kkk kkm kkn kkr kkt kme kmk kmm kmt kn- kne knk knm knn knr knt krk krn krr krt kte ktk ktm ktn ktr ktt m-r mee mek mem men mer met mke mkk mkm mkn mkr mkt mme mmk mmm mmn mmr mmt mne mnk mnm mnn mnr mnt mre mrk mrm mrn mrr mrt mte mtk mtm mtn mtr mtt ne- nee nek nem nen ner net nke nkk nkm nkn nkr nkt nme nmk nmm nmn nmr nmt nne nnk nnm nnn nnt nre nrk nrm nrn nrr nrt nte ntk ntm ntn ntr ntt re- ree rek rem ren rer ret rke rkk rkm rkt rme rmm rmn rmr rmt rnm rnn rnr rnt rrk rrm rrn rrr rrt rte rtk rtm rtn rtr rtt te- tee tek tem ten ter tet tke tkk tkm tkr tkt tme tmk tmm tmn tmr tmt tne tnk tnm tnn tnr tnt tre trk trm trn trr trt tte ttk ttm ttn ttr ttt