kai (Greek #2532)
and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
KJV usage: and, also, both, but, even, for, if, or, so, that, then, therefore, when, yet.
Pronounce: kahee
Origin: apparently, a primary particle, having a copulative and sometimes also a cumulative force
su (Greek #4771)
thou
KJV usage: thou. See also 4571, 4671, 4675; and for the plural 5209, 5210, 5213, 5216.
Pronounce: soo
Origin: the person pronoun of the second person singular