User blog comment:Anomalous13/Bloons Wiki News - December 21, 2012/@comment-26274548-20121222083853/@comment-5199397-20130101143852

I think these are all of the combo's for the >_> faces:

>_>  >_<  >_^  >_v

<_<  <_>  <_^  <_v

^_^  ^_>  ^_<  ^_v

v_v  v_<  v_>  v_^

Some of them seem a bit wierd.....