Not sure if I'm understanding exactly what you want but I don't think you need to use Harald's excellent beam program for this.
Try this solution - or have I misunderstood ?
R.
!NoteWorthyComposer(2.751)
|Editor|ActiveStaff:1|CaretIndex:1|CaretPos:1
|SongInfo|Title:""|Author:"<Name>"|Lyricist:""|Copyright1:"Copyright © 2024 <Name>"|Copyright2:"All Rights Reserved"
|PgSetup|StaffSize:16|Zoom:4|TitlePage:Y|JustifyVertically:Y|PrintSystemSepMark:N|ExtendLastSystem:N|DurationPadding:Y|PageNumbers:0|StaffLabels:None|BarNumbers:None|StartingBar:1
|Font|Style:StaffItalic|Typeface:"Times New Roman"|Size:10|Bold:Y|Italic:Y|CharSet:0
|Font|Style:StaffBold|Typeface:"Times New Roman"|Size:8|Bold:Y|Italic:N|CharSet:0
|Font|Style:StaffLyric|Typeface:"Times New Roman"|Size:7.2|Bold:N|Italic:N|CharSet:0
|Font|Style:PageTitleText|Typeface:"Times New Roman"|Size:24|Bold:Y|Italic:N|CharSet:0
|Font|Style:PageText|Typeface:"Times New Roman"|Size:12|Bold:N|Italic:N|CharSet:0
|Font|Style:PageSmallText|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User1|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User2|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User3|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User4|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User5|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User6|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|PgMargins|Left:1.27|Top:1.27|Right:1.27|Bottom:1.27|Mirror:N
|AddStaff|Name:"Staff"|Group:"Standard"
|StaffProperties|EndingBar:Section Close|Visible:Y|BoundaryTop:12|BoundaryBottom:12|Lines:5|Color:Default
|StaffProperties|Muted:N|Volume:127|StereoPan:64|Device:0|Channel:1
|StaffInstrument|Trans:0|DynVel:10,30,45,60,75,92,108,127
|Clef|Type:Treble
|TimeSig|Signature:3/4
|Dynamic|Style:ff|Opts:Velocity=108,Volume=108|Pos:-7|Justify:Right
|Note|Dur:8th,Dotted|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-5|Opts:Stem=Up,Beam,ArticulationsOnStem
|Note|Dur:8th|Pos:-17|Opts:Stem=Up,Beam=End,NoLegerLines,Muted
|Rest|Dur:4th,Dotted
|Bar
|Rest|Dur:Whole
|AddStaff|Name:"Staff-1"|Group:"Standard"
|StaffProperties|EndingBar:Section Close|Visible:Y|BoundaryTop:10|BoundaryBottom:10|Lines:5|Color:Default
|StaffProperties|Muted:N|Volume:127|StereoPan:64|Device:0|Channel:2
|StaffInstrument|Trans:0|DynVel:10,30,45,60,75,92,108,127
|Clef|Type:Bass
|TimeSig|Signature:3/4
|Dynamic|Style:f|Opts:Velocity=92,Volume=92|Pos:-8|Justify:Right|Visibility:Never
|Rest|Dur:8th
|Rest|Dur:8th
|Note|Dur:8th|Pos:5|Opts:Stem=Up,StemLength=0
|Note|Dur:4th,Dotted|Pos:4^
|Bar
|Note|Dur:Half,Dotted|Pos:4
!NoteWorthyComposer-End