LGBT stands for "Lesbian, Gay, Bisexual and Transgender/Transsexual."
the abbreviation is w/o
The abbreviation of oxygen is O.
O 2 is the abbreviation for Oxygen.
Penna
th/o or, thr/o
There is no formal abbreviation, but people normally use w/o.
c/o
Faves.
O
c/o
C/o
Lake "O"