The earth
'erets (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
O LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
is full
male' (maw-lay')
a primitive root, to fill or (intransitively) be full of, in a wide application (literally and figuratively)
of thy mercy
checed (kheh'-sed)
kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty
teach
lamad (law-mad')
to goad, i.e. (by implication) to teach (the rod being an Oriental incentive):(un-) accustomed, diligently, expert, instruct, learn, skilful, teach(-er, -ing).
me thy statutes
choq (khoke)
an enactment; hence, an appointment (of time, space, quantity, labor or usage)