-er eee eel eem een eer eev ele ell elm eln elr elv em- eme eml emm emn emr emv en- ene enl enm enn enr env ere erl erm ern err erv eve evl evm evn evr evv lee lel lem len ler lev lle lll llm lln llr llv lme lml lmm lmn lmr lmv lne lnl lnm lnn lnr lrm lrn lrr lrv lve lvl lvm lvn lvr lvv m-r m-v mee mel mem men mer mev mle mll mlm mln mlr mlv mme mml mmm mmn mmr mmv mne mnl mnm mnn mnr mre mrl mrm mrn mrr mrv mve mvl mvm mvn mvr mvv ne- nee nel nem nen ner nev nle nll nlm nln nlr nlv nme nml nmm nmn nmr nne nnl nnm nnn nnv nre nrl nrm nrn nrr nrv nve nvl nvm nvn nvv re- ree rel rem ren rer rev rle rll rlm rln rlr rme rml rmm rmn rmr rmv rnm rnn rnr rnv rrl rrm rrn rrr rve rvl rvm rvn rvr rvv v-e vee vel vem ven ver vl- vle vll vlm vlv vm- vmm vmn vmr vn- vnl vnm vnr vnv vre vrm vrn vrr vvm vvr vvv