囝 is the benzi ,see 康熙字典 閩人。。。. many people don't know that chuanchiu pronounce kann for son,kan na for kids(55 like first tone in mandarin not 52 in zhang/xia/tong an)
I always say 雞母﹐狗公。 Buy some hakka /cantonese dict for those words.
some say it is 莫(bok)+解=bue.Prof.Yang article didn't mention another important use of e/e as adjective.I think most people do use it.
伊诚解 i ciann e/ue 他很有本事
解的人煞着读 e/ue e lang suah tioh thak 高明的人何必再讀書