-er a-a a-t aaa aae aaf aam aar aat aea aee aef aem aer aet af- afa afe aff afm afr aft ama ame amf amm amr amt ar- ara are arf arm arr art at- ata ate atf atm atr att eaa eae eaf eam ear eat eea eee eef eem eer eet ef- efa efe eff efm efr eft em- ema eme emf emm emr emt era ere erf erm err ert eta ete etf etm etr ett faa fae faf fam far fat fea fee fef fem fer fet ffa ffe fff ffm ffr fft fma fme fmf fmm fmr fmt fra fre frf frm frr frt fta fte ftf ftm ftr ftt m-f m-r maa mae maf mam mar mat mea mee mef mem mer met mfa mfe mff mfm mfr mft mma mme mmf mmm mmr mmt mra mre mrf mrm mrr mrt mta mte mtf mtm mtr mtt ra- raa rae raf ram rar rat re- rea ree ref rem rer ret rfa rfe rff rfm rfr rft rma rme rmf rmm rmr rmt rra rrf rrm rrr rrt rta rte rtf rtm rtr rtt taa tae taf tam tar tat te- tea tee tef tem ter tet tfa tfe tff tfm tfr tft tma tme tmf tmm tmr tmt tra tre trf trm trr trt tta tte ttf ttm ttr ttt