Ha-ha-ha!
If you search those words using google, etc., you will find
thauthands of websites (including computer journals).
As Warp described, we usually don't care 'r' and 'l', also
's' and 'th', 'f' and 'h', 'b' and 'v', ... in pronounciation.
POV-Ray in japanese : povulei, poburei, pobulei, povulei, poblei,...
Sorry for off-topic.
R. Suzuki