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Icon existing list below is "Small icons", and for "FontAwesome icons" list you can see here : http://getuikit.com/docs/icon.html#icon-mapping
smico-45-left-down
smico-45-left-top
smico-45-right-down
smico-45-right-top
smico-anchors
smico-back
smico-backward
smico-battery-charging
smico-battery-full
smico-battery-low
smico-battery-medium
smico-battery-null
smico-big-grid
smico-center-text
smico-change-position
smico-check
smico-close-green
smico-close-red
smico-cloud-check
smico-cloud-down
smico-cloud-error
smico-cloud-refresh
smico-cloud-up
smico-collaps
smico-div
smico-down
smico-download
smico-download-2
smico-eight
smico-eject
smico-equal
smico-exclamation
smico-expand
smico-five
smico-forward
smico-four
smico-fullscreen
smico-grid
smico-justify
smico-left
smico-left-align-text
smico-list
smico-marquee
smico-minus
smico-narrow
smico-network
smico-next
smico-nine
smico-one
smico-pause
smico-play
smico-plus
smico-power
smico-record
smico-refresh
smico-refresh-2
smico-repeat
smico-right
smico-right-align-text
smico-seven
smico-shuffle
smico-sitemap
smico-sitemap-2
smico-sitemap-3
smico-six
smico-stop
smico-strech
smico-three
smico-two
smico-up
smico-upload
smico-upload-2
smico-volume-big
smico-volume-mini
smico-volume-minus
smico-volume-mute
smico-volume-plus
smico-wi-fi
smico-zero