In initial clusters the existence of at least one sequence containing a liquid, whether voiced or unvoiced, immediately followed by an obstruent implies the existence of at least one sequence containing an obstruent immediately followed by a liquid.
Standardized
In initial consonant clusters, IF there is at least one sequence containing a liquid (voiced or unvoiced) immediately followed by an obstruent, THEN there is at least one sequence containing an obstruent immediately followed by a liquid.