A generic click phoneme might have been useful for terminators. Imagine we had { / } for any one of [ @ | ! || ] for the sole purpose of signaling the end of a scope specified by the cmavo that follows it:
da poi broda ku'o cu fu'e .ui nu brode kei vau fi'o brodi fe'u sei brodo se'u to brodu toi fu'o
da poi broda /poi cu fu'e .ui nu brode /nu /cu fi'o brodi /fi'o sei brodo /sei to brodu /to /fu'e