oun (Greek #3767)
(adverbially) certainly, or (conjunctionally) accordingly
KJV usage: and (so, truly), but, now (then), so (likewise then), then, therefore, verily, wherefore.
Pronounce: oon
Origin: apparently a primary word
men (Greek #3303)
properly, indicative of affirmation or concession (in fact); usually followed by a contrasted clause with 1161 (this one, the former, etc.)
KJV usage: even, indeed, so, some, truly, verily. Often compounded with other particles in an intensive or asseverative sense.
Pronounce: men
Origin: a primary particle
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