ει conditional
ei  i: if, whether, that, etc. -- forasmuch as, if, that, (al-)though, whether.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
υμεις personal pronoun - second person nominative plural
humeis  hoo-mice': you (as subjective of verb) -- ye (yourselves), you.
χριστου noun - genitive singular masculine
Christos  khris-tos': anointed, i.e. the Messiah, an epithet of Jesus -- Christ.
αρα particle
ara  ar'-ah:  a particle denoting an inference more or less decisive (as follows)
του definite article - genitive singular 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.
αβρααμ proper noun
Abraam  ab-rah-am': Abraham, the Hebrew patriarch -- Abraham.
σπερμα noun - nominative singular neuter
sperma  sper'-mah: something sown, i.e. seed (including the male sperm); by implication, offspring; specially, a remnant (figuratively, as if kept over for planting) -- issue, seed.
εστε verb - present indicative - second person
este  es-teh': ye are -- be, have been, belong.
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
κατ preposition
kata  kat-ah': (prepositionally) down (in place or time), in varied relations
επαγγελιαν noun - accusative singular feminine
epaggelia  ep-ang-el-ee'-ah: an announcement (for information, assent or pledge; especially a divine assurance of good) -- message, promise.
κληρονομοι noun - nominative plural masculine
kleronomos  klay-ron-om'-os: a sharer by lot, i.e. inheritor; by implication, a possessor -- heir.