Pron. qa, [122] [135] [135] [135] [150] [152] ka, *q, *k.

Pron. nen, [48] [58] [67] *n.

Det. of negation, defense, secrecy.

Pron. khen. [86] [128]

Det. of rowing.

Pron. khu. [117] [122]