sl os sol oslo asl dsl oil owl -ol O's Sol oil Oul Owl -ose Oss Ost Oslo OS OSS OSU SL OS SOL OSSL OSQL ASL BSL CSL DSL ESL FSL GSL ISL KSL LSL PSL RSL S/SL USL WSL XSL OCL OIL OWL OSA OSD OSE OSF OSI OSP Oil Owl