Multiview speaker-invariant command representations   ?
▪-bed
▫-bird
▬-cat
▭-dog
▮-down
▯-eight
▰-five
▱-four
▲-go
△-happy
▴-house
▵-left
▶-marvin
▷-nine
▸-no
▹-off
►-on
▻-one
▼-right
▽-seven
▾-sheila
▿-six
◀-stop
◁-three
◂-tree
◃-two
◄-up
◅-wow
◆-yes
◇-zero