[lojban] Grammar question.

[Robin Lee Powell <lojban-out@lojban.org>]

In this sentence:

    le ckilu be le za'i le ni bilma bi'o mabla cu ckini le ni kecti
    bi'o xebni

Why can the cu be replaced with ku but not vau or kei?

-Robin

-- 
Me: http://www.digitalkingdom.org/~rlpowell/  ***   I'm a *male* Robin.
"but I'm not stupid and people are not stupid who think samely with me"
-- from an actual, real, non-spam mail sent to webmaster@lojban.org
http://www.lojban.org/             ***              .i cimo'o prali .ui