μακαριοι adjective - nominative plural masculine
makarios  mak-ar'-ee-os: supremely blest; by extension, fortunate, well off -- blessed, happy(-ier).
οι definite article - nominative plural masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ελεημονες adjective - nominative plural masculine
eleemon  el-eh-ay'-mone:  compassionate (actively) -- merciful.
οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
αυτοι personal pronoun - nominative plural masculine
autos  ow-tos': the reflexive pronoun self, used of the third person , and (with the proper personal pronoun) of the other persons
ελεηθησονται verb - future passive indicative - third person
eleeo  el-eh-eh'-o: to compassionate (by word or deed, specially, by divine grace) -- have compassion (pity on), have (obtain, receive, shew) mercy (on).