A rotated capital G has sometimes been used as a substitute for an eng (ŋ). It is encoded at U+2141 but is very rarely supported, absent in most fonts, including those with significant Unicode coverage. Everson Mono and Fixedsys Excelsior are among only a handful of fonts that supports it.
ᵷ was added to Unicode 4.1 in 2005, as U+1D77. Fonts that can display the character include Code2000, Doulos SIL and Charis SIL. Lowercase "B with hook," an IPA letter that resembles a turned open tail (one-story) g, is more widely available as a substitute, at U+0253.