A voiceless [w̥] developed in Ilkorin from the initial clusters [kʰw], [sw], and [skw] (PE19/20-21). Medially, the cluster [kʰw] became [h] (PE19/23). Thus, it seems likely this voiceless [w̥] could only appear initially, but there are no attested examples of Ilkorin words containing this sound.