149) 冂

jiong

far, entrance

When a border crossing is closed, it becomes one boundary that is just too far away and impossible to cross.

149y-64*) 内

nei 

inner; inside

entrance 冂 [symbol] + person 人⁶³[rén]

A man (人) goes inside through the entrance (冂)

149z-64a) 呐

na

<modal particle>

mouth 口¹⁶[kǒu] + inner 内 [nèi]

When words (口) are stuck inside (内),  often used as a sentence-final particle to convey various tones or emotions like emphasis, confirmation, or a gentle reminder.

149a) 再

zai

(once) again

handle [symbol] + package [symbol]

to be able to hold a package (symbol) the handle (symbol) one must switch his hand time and time again

149b) 同

tong

same

boundary/far 冂 [jiōng] + one 一 [yī] + mouth 口 [fǎn]

the same one (一) voice (口) inside the same boundary (冂).