Looking on the internet deeply has found these results:

in standby is the most popular phrase on the web.

in stand-by 178,700 results on the web	in standby 1450,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Still of River Phoenix, Corey Feldman and Jerry O'Connell in Stand by Me Still of River Phoenix, Corey Feldman, Wil Wheaton and Jerry O'Connell in Still of�... In Stand By Me, he is portrayed by River Phoenix in the film and instead of having lived in the fictional town of Castle Rock, Maine (which is the case in The�... There are at least two shoutouts to other movie roles in Stand By Me. Wil Wheaton's grandfather was in Wagon Train and his grandmother asked Rob Reiner if�... Ray Brower in 'Stand By Me': 'Memba Him?! Ray Brower in. "STAND BY ME". ' MEMBA HIM?! 7/15/2015 12:20 AM PDT BY TMZ STAFF.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

in stand-by

178,700 results on the web

in standby

1450,000 results on the web

More popular!

Still of River Phoenix, Corey Feldman and Jerry O'Connell in Stand by Me Still of River Phoenix, Corey Feldman, Wil Wheaton and Jerry O'Connell in Still of�...
In Stand By Me, he is portrayed by River Phoenix in the film and instead of having lived in the fictional town of Castle Rock, Maine (which is the case in The�...
There are at least two shoutouts to other movie roles in Stand By Me. Wil Wheaton's grandfather was in Wagon Train and his grandmother asked Rob Reiner if�...
Ray Brower in 'Stand By Me': 'Memba Him?! Ray Brower in. "STAND BY ME". ' MEMBA HIM?! 7/15/2015 12:20 AM PDT BY TMZ STAFF.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.