It’s possible but not common. In fact, I could find only one example where Okrand used {-lu} with either {-‘egh} or {-chuq} on the same verb:
potlhbe'chugh yay qatlh pe''eghlu'?
If winning is not important, then why keep score? (TKW)
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Voragh
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From: tlhIngan-Hol <tlhingan-hol-bounces@lists.kli.org>
On Behalf Of André Müller
One cannot use {-'egh} with a verb that is intransitive, except when adding another suffix like {-moH}. Especially stative verbs don't work alone with {'-egh}. You can perform an action unto yourself, or many
people can perform an action unto each other. So it does break a direct rule, and doesn't make sense semantically. It's like *{Qong'egh} or *{Qongchuq}.
Quchlu' = someone is happy
*Quch'egh = she is happy *oneself; they are happy *themselves
*Quch'eghlu' = someone is happy *oneself
*Quchchuq = they are happy *each other
*Quchchuqlu' = some people are happy *each other
The asterisk marks the ungrammaticality here.
But with {-moH} it works just fine. For brevity I just pick one translation per line (using she/her), but of course a zero prefix can mean many things:
QuchmoH = she makes her happy
QuchmoHlu' = someone makes her happy
Quch'eghmoH = she makes herself happy
QuchchuqmoH = they make themselves happy
Quch'eghmoHlu' = someone makes themself/themselves happy
QuchchuqmoHlu' = some people make each other happy
Now with a fully transitive verb such as {legh} everything would work:
legh = she sees (her)
leghlu' = someone sees her
legh'egh = she sees herself
leghchuq = they see themselves
legh'eghlu' = someone sees themself
leghchuqlu' = some people see themselves
(etc.)
Am Di., 14. Sept. 2021 um 14:20 Uhr schrieb mayqel qunen'oS <mihkoun@gmail.com>: