2 --------+ 1 \ / \ ---- / 3
Image search for "kuchi-no kanji + shodou (calligraphy)":
https://www.google.com/search?q=%E5%8F%A3%E3%81%AE%E6%BC%A2%...
It seems there are two schools on the relationship between stroke 2 or 3: 2 can extend downward past 3, or 3 can underscore 2.
https://en.wikipedia.org/wiki/口
Maybe it is a missing character after all :) (Oh no, I've been fooled by chrome/freetype/something!)