I think, you can use Punctation Shift. See OmniGo Graffiti Reference =
Card or manual
page 2-15 (Getting Started) for more information.
Gergi
Name: Jaroslav Gergic
E-mail: jg@mail.kolej.mff.cuni.cz
Address: Patkova 3/B512
182 00 Praha 8
Czech Republic
Phone: +42-(2)-8551040 ext 762