"cs ⇌ chium / [a-b-d-e-o-p-r-s-t-z-ā-ē-ō]*[b-d-m-n][e-y-ē]_" . . . "cs ⇌ chium / [a-b-d-e-o-p-r-s-t-z-ā-ē-ō]*[b-d-m-n][e-y-ē]_" . .