Gather
'acaph (aw-saf')
to gather for any purpose; hence, to receive, take away, i.e. remove
the pieces
nethach (nay'-thakh)
a fragment -- part, piece.
thereof into it even every good
towb (tobe)
good (as an adjective) in the widest sense; used likewise as a noun
piece
nethach (nay'-thakh)
a fragment -- part, piece.
the thigh
yarek (yaw-rake')
the thigh (from its fleshy softness); by euphem. the generative parts; figuratively, a shank, flank, side -- body, loins, shaft, side, thigh.
and the shoulder
katheph (kaw-thafe')
arm, corner, shoulder(-piece), side, undersetter.
fill
male' (maw-lay')
a primitive root, to fill or (intransitively) be full of, in a wide application (literally and figuratively)
it with the choice
mibchar (mib-khawr')
select, i.e. best -- choice(-st), chosen.
bones
`etsem (eh'tsem)
a bone (as strong); by extension, the body; figuratively, the substance, i.e. (as pron.) selfsame -- body, bone, life, (self-)same, strength, very.