dear,bear,near,year中的EAR有几种读音?

ear [i ]
hear dear near clear year 6-10
[ε ]
bear pear wear swear 6-11
[ :]
earth learn early 6-12
ee [i:] jeep week green three
6-13
eer [i ]
pioneer deer beer
6-14
ei/ey [ei] eight neighbour they
6-15