Inscription W-04 on Altar 2
It is engraved at the top of the niche. The right part has only one line, and it is written sinistroverse. The left part has two short lines that are written boustrophedon. The central portion between two inscriptions may be eroded since the rock wall is quite friable at that part.

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matar kubileya [ ]toy–
en
Inscription W-05a on Maltaş Monument
It is located on the outer edge of the left frame surrounding the façade wall and written sideways from right to left (sinistroverse). Today only the upper part is over the ground level. It may have been left unfinished.

natimeyon nạ
Inscription W-05b on Maltaş Monument
The second inscription is written dextroverse on the upper frame of the niche section, which is completely under the ground today.

[ ]nst[ e]daes por mạtẹ[…]
‘… made (it) for the Mother-Goddess…’
References:
Brixhe, C. & M. Lejeune. 1984. Corpus des inscriptions paléo-phrygiennes, Paris.
Obrador-Cursach, B. 2018. Lexicon of the Phrygian Inscriptions, Thesis, Barcelona.
Image Sources:
Bora Bilgin, 2020
Tayfun Bilgin, 2020