Working just fine

• Verbal thumbs-up
• "All systems go!"
• Fine, in space
• Proceeding normally
• Astronaut's "Everything's fine"
• ''All systems go,'' in letters
• Approval, astronaut style
• Thumbs-up cry
• "Come and play, everything's ___" ("Sesame Street" theme lyric): Hyph

Wiktionary Word definitions in Wiktionary
a. (alternative spelling of A-okay English)