If the scale is extended above the octave then either of the following two structures can be used - either the straightforward addition of an Ussak tetrachord or the overlapping of a Buselik pentachord with the Hicaz pentachord:

The B flattened by five commas (Kurdi) that appears in the Buselik pentachord is shown by red ovals in the fingering diagram below to distinguish it from the B flat (Segah) in the Ussak tetrachord: