If you want a nonsegmental feature interpretable as a cluster, one possibility that doesn't impose on the estabilish'd sound laws of Greek is preaspiration: /pajto/ pʰajʰto?.    From Wordnik.com.  [Linear A treatment of consonant clusters] Reference

Egad, I missed an important issue here: "If you want a nonsegmental feature interpretable as a cluster, one possibility that doesn't impose on the estabilish'd sound laws of Greek is preaspiration: /pajto/ pʰajʰto?".    From Wordnik.com.  [Linear A treatment of consonant clusters] Reference