Again
gam (gam)
assemblage; used only adverbially also, even, yea, though; often repeated as correl. both...and
if two
shnayim (shen-ah'-yim)
two; also (as ordinal) twofold -- both, couple, double, second, twain, + twelfth, + twelve, + twenty (sixscore) thousand, twice, two.
lie together
shakab (shaw-kab')
to lie down (for rest, sexual connection, decease or any other purpose)
then they have heat
chamam (khaw-mam')
to be hot -- enflame self, get (have) heat, be (wax) hot, (be, wax) warm (self, at).
but how can one
'echad (ekh-awd')
united, i.e. one; or (as an ordinal) first
be warm
yacham (yaw-kham')
probably to be hot; figuratively, to conceive -- get heat, be hot, conceive, be warm.
alone