Grunhido
Grunt
Bisbisar, bisbisear, susurrar, musitar, balbucir, cuchichear, farfullar, mascullar, murmurar, discretear, gruñir, murmurar, rezongar, regañar, protestar, renegar, jadear, bufar, resollar, resoplar, sofocarse, soplar, trinar, rabiar, rezongar
Vogais: euua
Consoantes: rfnfr