Oikein is likely misspelled.
Oikein has no English definition.
As an initialism SA
is sturmabteilung.
As a noun Sa
is abbreviation of Saturday|lang=en.
As a proper noun Sa
is abbreviation of Samuel|lang=en.
sa
Translingual
Symbol
(
head)
The ISO 3166-1 two-letter (alpha-2) code for Saudi Arabia.
ISO 3166-1
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oikein
Not English
Oikein has no English definition. It may be misspelled.