A bit surprising, but that's what it looks like . . . I searched my email box for "wa'DIchDaq* and found a post by Michael Kounenos that uses it. And a search on the Klingonia corpus for *DIchDaq* yields 28 results, some of which are lavender (meaning they're published by the KLI).
>Subject: Re: [tlhIngan Hol] Daghtuj jaj 'oH jajvam'e'
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>Apparently, the latter. Okrand once sent a note to SuStel:
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>qep'a' wejDIchDaq jatlhtaH tlhIngan Hol HaDwI'pu'. ghoHtaH je. tIv'eghtaH je.
>(MO to SuStel, st.klingon 11/1996)
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>AFAIK it?s our only example of {-Daq} and the ordinal number suffix {-Dich} used together. SuStel commented:
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>(SuStel 12/18/1996): ... in answering my letter about qep'a' wejDIch, Marc Okrand used the phrase qep'a' wejDIchDaq. Now, it could be >considered just a [proper] name, but it may also be possible that noun suffixes can go to the ordinal number.