it's just casual.

m4m: Men for Men m4w: Men for Women m4mw: Men for Couples m4mm: Men for Men (group) m4ww: Men for Women (group) m4t: Men for Trans m4tm: Men for Trans Men m4tw: Men for Trans Women m4nb: Men for Non-Binary m4other: Men for Other w4m: Women for Men w4w: Women for Women w4mw: Women for Couples w4mm: Women for Men (group) w4ww: Women for Women (group) w4t: Women for Trans w4tm: Women for Trans Men w4tw: Women for Trans Women w4nb: Women for Non-Binary w4other: Women for Other mw4m: Couples for Men mw4w: Couples for Women mw4mw: Couples for Couples mw4mm: Couples for Men (group) mw4ww: Couples for Women (group) mw4t: Couples for Trans mw4tm: Couples for Trans Men mw4tw: Couples for Trans Women mw4nb: Couples for Non-Binary mw4other: Couples for Other mm4m: Men (group) for Men mm4w: Men (group) for Women mm4mw: Men (group) for Couples mm4mm: Men (group) for Men (group) mm4ww: Men (group) for Women (group) mm4t: Men (group) for Trans mm4tm: Men (group) for Trans Men mm4tw: Men (group) for Trans Women mm4nb: Men (group) for Non-Binary mm4other: Men (group) for Other ww4m: Women (group) for Men ww4w: Women (group) for Women ww4mw: Women (group) for Couples ww4mm: Women (group) for Men (group) ww4ww: Women (group) for Women (group) ww4t: Women (group) for Trans ww4tm: Women (group) for Trans Men ww4tw: Women (group) for Trans Women ww4nb: Women (group) for Non-Binary ww4other: Women (group) for Other t4m: Trans for Men t4w: Trans for Women t4mw: Trans for Couples t4mm: Trans for Men (group) t4ww: Trans for Women (group) t4t: Trans for Trans t4tm: Trans for Trans Men t4tw: Trans for Trans Women t4nb: Trans for Non-Binary t4other: Trans for Other tm4m: Trans Men for Men tm4w: Trans Men for Women tm4mw: Trans Men for Couples tm4mm: Trans Men for Men (group) tm4ww: Trans Men for Women (group) tm4t: Trans Men for Trans tm4tm: Trans Men for Trans Men tm4tw: Trans Men for Trans Women tm4nb: Trans Men for Non-Binary tm4other: Trans Men for Other tw4m: Trans Women for Men tw4w: Trans Women for Women tw4mw: Trans Women for Couples tw4mm: Trans Women for Men (group) tw4ww: Trans Women for Women (group) tw4t: Trans Women for Trans tw4tm: Trans Women for Trans Men tw4tw: Trans Women for Trans Women tw4nb: Trans Women for Non-Binary tw4other: Trans Women for Other nb4m: Non-Binary for Men nb4w: Non-Binary for Women nb4mw: Non-Binary for Couples nb4mm: Non-Binary for Men (group) nb4ww: Non-Binary for Women (group) nb4t: Non-Binary for Trans nb4tm: Non-Binary for Trans Men nb4tw: Non-Binary for Trans Women nb4nb: Non-Binary for Non-Binary nb4other: Non-Binary for Other other4m: Other for Men other4w: Other for Women other4mw: Other for Couples other4mm: Other for Men (group) other4ww: Other for Women (group) other4t: Other for Trans other4tm: Other for Trans Men other4tw: Other for Trans Women other4nb: Other for Non-Binary other4other: Other for Other