Oddities of Squib names...

[Greer]

No: HPFGUIDX 86498

Okay,  don't know if this has been mentioned here before, or even if 
it means anything at all. But I noticed, rereading the 5th book this 
weekend, something odd.

Lets take a look at our two known Squibs, shall we? 

Argus Filch
Arrabella Figg

Notice anything? Both of their given names start with A-R and their 
last names with F-I. Important? Probably not. But then agian...