Small period-5 oscillators

All known period five oscillators (not counting stator variants) that have one phase of less than 29 on cells.

Rank	Signature	Name	Image	Rotor Size	Volatility
1	015-17-17-25-17	Pseudo-barberpole		28	.82
2	016-24-16-24-24	Octagon 2		32	.80
3	017-20-19-21-19	Silver's p5		19	.63
4	018-22-18-22-22	Fumarole		26	.72
5	020-20-22-22-28	Pentoad		22	.64
6	020-21-22-26-21	Elkies' p5		16	.55
7	021-21-22-22-24	Hooks		11	.39
8	023-24-29-27-33	Pentoad 1H2		38	.79
9	026-26-30-30-40	Pentoad with two hexominoes		38	.76
10	026-28-26-28-28	Heart		18	.50
11	026-28-36-32-38	Pentoad 2		54	.87
12	028-28-29-29-32	Pentant		10	.28
13	028-30-44-34-34	Scot's p5		62	.93
14	028-32-32-48-32	Nivasch's pseudo-barberpole		52	.81
15	028-35-31-32-33	5blink		42	.76