The conjugated Phonetics gyo, made from Gi+Yo. Gi as in Gift. Yo as in Yonkers or Yosemite. U as in oops if oo is to be u.
Kanji can be used to convey various meaning, in conjugation with each other. There are various categories of kanjis based on where they came from and where they get used, who is learning them;
(eg a student in high school or junior level)
Based on such they can have varying degree of phonetics associated with them or a fixed multi-syllable-phonetics. In case of Japanese eg a simple unit of kanji can have 5 syllables and only that particular word of 5 syllables, associated with the kanji. eg 志; kokorozashi, is what would be called as kun-yomi, (Kun-Yomi; Japanese way of saying or reading the kanji) of the Jou-You group of kanji
(the kanjis most widely sued in Japan, is a ~1000 more kanjis from what they learn by high-school, a total of 2136 since year 2010)