In Quileute, for example, the sequences VCʼV, VʔCʼV, and VːCʼV, as found in ak’a ~ a’k’a ~ āk’a, are allophones in free variation.
En quileute, por exemplo, VC’V, VʔC’V e VːC’V (como en ak’a ~ a’k’a ~ āk’a) son alófonos en variación libre.