Certain words are used merely to join words or sentences. Those already
learned are:--
kaj : and. cxu : whether.
sed : but. ke : that.
cxar : because, for. kvazaux : as if.
ankaux : also. kvankam : although.
ol : than. almenaux : at least.
se : if. tamen : however.
aux : or. do : then, therefore.