I know more words like this.

问题描述:

I know more words like this.
ph 1.photo 2.( ) 3.( ) 4.( )
air 1.hair 2.( ) 3.( ) 4.( )

ph 1.photo 2.( phone ) 3.( physics ) 4.( physical )
air 1.hair 2.( chair ) 3.( fair ) 4.( pair )