" ⇌ tos / [-labdent]*[+son][-labdent -low][-high -low][a-e-i-n-r-ā-ē-ī]_" . . . " ⇌ tos / [-labdent]*[+son][-labdent -low][-high -low][a-e-i-n-r-ā-ē-ī]_" . .