-er eee eef eel eem eer eet ef- efe eff efi efl efm efr eft eie eif eii eil eim eir eit ele elf eli ell elm elr elt em- eme emf emi eml emm emr emt ere erf eri erl erm err ert ete etf eti etl etm etr ett fee fef fei fel fem fer fet ffe fff ffi ffl ffm ffr fft fie fif fii fil fim fir fit fle flf fli fll flm flr flt fme fmf fmi fml fmm fmr fmt fre frf fri frl frm frr frt fte ftf fti ftl ftm ftr ftt i-f ie- iee ief iei iel iem ier iet ife iff ifi ifl ifm ifr ift iie iif iii iil iim iir iit il- ile ilf ili ill ilm ilr ilt im- ime imf imi iml imm imt ir- ire irf iri irl irm irr irt ite itf iti itl itm itt lee lef lei lel lem ler let lfe lff lfi lfl lfm lfr lft lie lif lii lil lim lir lit lle llf lli lll llm llr llt lme lmf lmi lml lmm lmr lmt lrf lri lrm lrr lrt lte ltf lti ltl ltm ltr ltt m-f m-r mee mef mei mel mem mer met mfe mff mfi mfl mfm mfr mft mi- mie mif mii mil mim mir mit mle mlf mli mll mlm mlr mlt mme mmf mmi mml mmm mmr mmt mre mrf mri mrl mrm mrr mrt mte mtf mti mtl mtm mtr mtt re- ree ref rei rel rem rer ret rfe rff rfi rfl rfm rfr rft rie rif rii ril rim rir rit rle rlf rli rll rlm rlr rlt rme rmf rmi rml rmm rmr rmt rrf rri rrl rrm rrr rrt rte rtf rti rtl rtm rtr rtt te- tee tef tei tel tem ter tet tfe tff tfi tfl tfm tfr tft tie tif tii til tim tir tit tle tlf tli tll tlm tlr tlt tme tmf tmi tml tmm tmr tmt tre trf tri trl trm trr trt tte ttf tti ttl ttm ttr ttt