Glissando.ms is what you want to use. You will need to add two of them, and offset one of them for the upper note pair. I attach an example score.
!NoteWorthyComposerClip(2.751,Single)
|Chord|Dur:Half|Pos:1|Opts:Stem=Up|Dur2:Half|Pos2:-3
|User|Glissando.ms|Pos:3|Class:Span|StartOffsetY:4.3|EndOffsetY:2.1|Pen:wavy|Text:
|User|Glissando.ms|Pos:3|Class:Span|Pen:wavy|Text:
|Bar
|Chord|Dur:8th|Pos:2,#4|Opts:Stem=Up,Beam=First
|Chord|Dur:8th|Pos:#1,#3|Opts:Stem=Up,Beam=End
!NoteWorthyComposerClip-End