r.y.a.k.u. is an abbreviation for each field. (Rrice Yells And Kalls U!)
to omit some information. Usually used like : りゃくして： "I won't mention in more detail because you already know this part." Or, alternatively:
ｔｏ ａｂｂｒｅｖｉａｔｅ, omit, but also contraction. ( contractions like 'ain't' are 省略）
abbreviation or acronym, like CIA or SHIELD, NWA, or KRS ONE, BDP, CREAM, etc.
You get entangled in STRING,
The Ents are TREEs, who were characters in Lord of the Rings.
And. . . .um . . .and you abbreviate a RICEFIELD when you harvest the rice.