eeee eefe eefl eele el-p elee elef eler elfe elle elpe epee eper eple epll eppp eprp erel erer erle erll erpe erre feel feer fefe feff fele felf fell fere ferr ffee ffff ffrr flee fler fprf free frep leef leel leep leer lefe leff lele lell lepe lepp lere lerp llef llll lpfp lppl lprp lrrr peel peep peer peff pel- pele pelf pell pepe per- pere perf perl perp perr pfff pffr ple- plee plff plpp pper pple pppp pprf pre- pree pref prel prep prle prlr reef reel reep refe reff refl refr rele rell relp repe repl repp repr rere rfef rffl rlee rlef rrle rrrr