This triphthong can also be shortened to just AH as in o.u.r as in “are country” - the full sound is “our”: “our country”.
OYER as in “employer” is the OY sound followed by the neutral “uh”
OER as in “mower” which is OH plus the neutral vowel “uh”
AYER as in “slayer” which is AY plus the neutral “uh”
