-er eee eel eer ees eet eev ele ell elr els elt elv ere erl err ers ert erv es- ese esl esr ess est esv ete etl etr ets ett etv eve evl evr evs evt evv lee lel ler les let lev lle lll llr lls llt llv lrr lrs lrt lrv lse lsl lsr lss lst lsv lte ltl ltr lts ltt ltv lve lvl lvr lvs lvt lvv re- ree rel rer res ret rev rle rll rlr rls rlt rrl rrr rrs rrt rse rsl rsr rss rst rsv rte rtl rtr rts rtt rtv rve rvl rvr rvs rvt rvv se- see sel ser ses set sev sle sll slr sls slt slv sr- sre srl srr srs srt srv ss- sse ssl ssr sss sst ssv ste stl str sts stt stv sve svl svr svs svt svv te- tee tel ter tes tet tev tle tll tlr tls tlt tlv tre trl trr trs trt trv tse tsl tsr tss tst tsv tte ttl ttr tts ttt ttv tve tvl tvr tvs tvt v-e vee vel ver ves vet vl- vle vll vls vlt vlv vre vrr vrs vrt vse vsl vsr vss vst vsv vte vtl vtr vts vtt vtv vvr vvs vvt vvv