411 REFERENCE · Wiktionary
SIO
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "sio"
English
Noun
en UK police en senior investigating officer.
en slang en snap-in-one.
Anagrams
en ios soi OIS I/Os SOI ios ISO OSI iOS iso- iso IOs OIs Ios