Here are the translations for the text you provided:
|_|○ ← Right-facing
○| ̄|_ ← Left-facing
○|_| ̄ ← Upside-down
Half-width:
STO ← Right-facing
OTZ ← Left-facing
OLS ← Left-facing upside-down
ZJO ← Right-facing upside-down
Half-width lowercase:
sto ← Right-facing
orz ← Left-facing
ots ← Left-facing upside-down
z_/o ← Right-facing upside-down
Mini-form:
no ← Right-facing
on ← Left-facing
ou ← Left-facing upside-down
uo ← Right-facing upside-down
Others:
orz This is a child…
OTZ This is an adult…
or2 This has a particularly翘 (upward-curving) butt…
Or2 This has a big head and small body with a翘 (upward-curving) butt…
orZ This has an enlarged lower body…
OTz This must be a weightlifter…
○rz This has a big head… (=。=)
●rz This is Mr. Black Head…
Xrz This just got headshot…
6rz This is Majin Buu…
On This is a baby…
crz This is a motorcycle rider…
囧rz This is saying "jiǒng" (awkward/embarrassed expression)…
崮rz This is the King of Jiǒng-land…
莔rz This is the Queen of Jiǒng-land…
商rz This is Jiǒng wearing a conical hat…
st冏 Is this the wife from upstairs?…
sto Change to kneel on the other side…
曾rz ← Kamen Rider…
★rz ← Mutou Yugi (from Yu-Gi-Oh!)…
口rz ← Mr. Tofu…
__Drz ← Brains exploding…
Note: Some of these are internet memes or emoticons that may not have direct translations, so some creativity was used to convey the intended meaning.