急求Excel 排列组合公式。

要求是英文单词组合。如：cheap wireless ine-ear bluetooth earphone with mic.
求上面的单词都排列：
一个词+earphone,
每两个词组合+earphone,
每三个词组合+earphone,
每四个词组合+earphone,
每五个词组合+earphone.
如：
cheap+ earphone
wireless +earphone
ine-ear+ earphone
bluetooth+earphone
... ...
cheap wireless +earphone
cheap ine-ear+earphone
with mic+earphone
... ...
急求公式。
我的是Office 2013 ,不会用VB.