φωνὰ τύ τίς ἐσσι καὶ οὐδὲν ἄλλο → it's all voice you are, and nothing else | it's all voice ye are, and nought else
Interrogative: P. and V. τίς;
Indirect: P. and V. ὅστις.
Relative: P. and V. ὅς, ὅσπερ, ὅστις, V. ὅστε (rare in V. only used in P. in certain phrases such as ἐφ' ᾧτε).