The LORD
Yahh (yaw)
Jah, the sacred name -- Jah, the Lord, most vehement. Compare names in -iah, -jah.
is my strength
`oz (oze)
strength in various applications (force, security, majesty, praise) -- boldness, loud, might, power, strength, strong.
and song
zimrath (zim-rawth')
instrumental music; by implication, praise -- song.
and is become my salvation
yshuw`ah (yesh-oo'-aw)
something saved, i.e. (abstractly) deliverance; hence, aid, victory, prosperity -- deliverance, health, help(-ing), salvation, save, saving (health), welfare.