How many syllables does a tanka have in each line poetry?

A tanka has a specific syllable count in each line:

* Line 1: 5 syllables

* Line 2: 7 syllables

* Line 3: 5 syllables

* Line 4: 7 syllables

* Line 5: 7 syllables

This creates a pattern of 5-7-5-7-7.