Vaha kai, in turn, presumably is a combination a simple ring form with viri:

I.e., Aa6-63 is half the sign in Ab4-51 and half (the lower part) the vaha kai sign. The simple ring is also seen at right in Aa8-75:

Aa8-67	Aa8-68	Aa8-69	Aa8-70	Aa8-71
Aa8-72	Aa8-73	Aa8-74	Aa8-75
Aa8-76	Aa8-77	Aa8-78	Aa8-79	Aa8-80
Aa8-81	Aa8-82	Aa8-83	Aa8-84	Aa8-85

5 glyphs beyond the point where the time cycle is finished (Aa8-75) comes a vertical break (break in time) with a 2nd cycle being followed by a 1st cycle. This is the glyph before Aa8-81 from which we have to start counting in order to reach 1152 (= 8 * 144) at Aa6-67.

A mouth (vaha) without viri probably also 'swallows'. The break glyph is Aa8-80 (8 * 80 = 640), and it resembles Ga4-20 (4 * 20 = 80) and Ga7-18:

Ga4-20 (104)	Ga4-21	Ga4-22
Ga4-23	Ga4-24	Ga4-25	Ga4-26	Ga4-27

Ga7-15	Ga7-16	Ga7-17
Ga7-18 (187)	Ga7-19	Ga7-20	Ga7-21	Ga7-22

104 (= 8 * 13) is counted from Gb8-30, while 187 (= 11 * 17) is counted from Ga1-1, I found 7-18 to be in harmony with 187. But 188 = 4 * 47 is also possible, of course.

The 'eating mouth' (at the horizon in the west) devours all celestial bodies after one of their two cycles (day respectively night). I guess Aa6-77 has a hole in his belly to illustrate the same phenomenon, because to his right a reversed 'viri' (or rather rima auaue as I have labelled the glyph type) defines, it seems, the final limit: