"be_ ⇌ p_urum / [-spread -lat -labdent]*[e-l-m-n-o-r-ē-ō][e-i-o-r-u-y-ē-ī-ō-ū]_t_" . . . "be_ ⇌ p_urum / [-spread -lat -labdent]*[e-l-m-n-o-r-ē-ō][e-i-o-r-u-y-ē-ī-ō-ū]_t_" . .