Please record with pronouncing each word twice on a speed of usual talk.
accord occurred /əˈkɔrd/ /əˈkɜrd/
assort assert /əˈsɔrt/ /əˈsɜrt/
board bird /bɔrd/ /bɜrd/
boar burr /bɔr/ /bɜr/
chord curd /kɔrd/ /kɜrd/
coarse curse /kɔrs/ /kɜrs/
core cur /kɔr/ /kɜr/
export expert /ˈɛk spɔrt/ /ˈɛk spɜrt/
for fur /fɔr/ /fɜr/
hoar her /hɔr/ /hɜr/
hoard herd /hɔrd/ /hɜrd/
inform infirm /ɪnˈfɔrm/ /ɪnˈfɜrm/
more myrrh /mɔr/ /mɜr/
ore err /ɔr/ /ɜr /
pore per /pɔr/ /pɜr/
record recurred /rɪˈkɔrd/ /rɪˈkɜrd/
short shirt /ʃɔrt/ /ʃɜrt/
spore spur /spɔr/ /spɜr/