sm (túbera+al) O mesmo que trufeira.
Vogais: uea
Consoantes: tbrl
tubeira, tubero, titubeara, tabeira, túbera, titubearei, titubearia, taboeira, tabueira, titubear.
confederal, sota-general, diliteral, major-general, umeral, controladoria-geral, investigador-geral, occipitolateral, funeral, organomineral, végeto-mineral, capitão-general, puberal, dorsissacrumeral, radiumeral.