给出一段英文文本，将其中的单词按出现次数升序排列。


文本：“He is going to school by bus. His sister is going to school by bike. They both love going to school.”
by 1
going 3
he 1
his 1
is 2
love 1
school 3
sister 1
they 1
to 5
both 1
bike 1
bus 1