eeee eees eefe eefl eele eels eers eese efes effs elee elef eler eles elfe elfs elle ells else erel erer eres erfs erle erll erre errs erse esee esel eser eses esfs esse essl feel feer fees fefe feff fele felf fell fels fere ferr fers fese fess ffee ffff ffrr ffss flee fler fles free fres fssf leef leel leer lees lefe leff lele lell lere lese less llef lles llll lrrr lrse ls-r lses lssr reef reel rees refe reff refl refr refs rele rell rels rere rers rese ress rfef rffl rlee rlef rlls rrle rrrr rsee rsre rssl se-e se-f se-s seef seel seer sees seff sefl sele self sell sels sere serf serr sers sese sess sfer sfls sfss slee sler sles slre slrs sres ssee sses ssfl ssle ssrl ssrs sssf ssss