"m_ere ⇌ _uī / [-spread -nas -lat -labdent -low]*[a-b-d-e-g-i-o-r-u-y-z-ā-ē-ī-ō-ū][-spread -lat -labdent -low]cu_b_" . . . "m_ere ⇌ _uī / [-spread -nas -lat -labdent -low]*[a-b-d-e-g-i-o-r-u-y-z-ā-ē-ī-ō-ū][-spread -lat -labdent -low]cu_b_" . .