1. The law also does not operate before PIE voiced aspirate stops . 2. One other predictable source for murmur is voiced aspirated stops . 3. Aspirated stops contrast with unaspirated stops only before vowels.4. Evidence for the voiced aspirated stops comes from tonal distinctions among the stops. 5. Fricative values for both former voiced stops and voiceless aspirated stops were probably common. 6. There were aspirated stops at three places of articulation : labial, coronal, and velar. 7. Plain stops are voiced before a short vowel or after an aspirated stop , voiceless elsewhere. 8. The voiced aspirated stops lost their aspiration over time and merged with the plain voiced stops. 9. Voiced aspirated stop rather than a fricative, occur in scripts descended from Brhm + script. 10. The voiced aspirated stops may have first become voiced fricatives, before hardening to stops under certain conditions.