filler · December 22, 2016 03:59
diff --git a/gistfile1.txt b/gistfile1.txt
 # 1x3, k,n,w + a,i,o + ???
 $ egrep -i '^((k|n|w)(a|e|i|o)[a-z][a-z][a-z]$)' /usr/share/dict/words
     621
 $

 # 2x3, ka-kz,wa-wz + ???
 $ egrep -i '^((k|w)[a-z](a|e|g|i|l|o|s|t)[a-z][a-z][a-z]$)’ /usr/share/dict/words
     399
 $
	# 1x3, k,n,w + a,i,o + ???
	$ egrep -i '^((k\|n\|w)(a\|e\|i\|o)[a-z][a-z][a-z]$)' /usr/share/dict/words
	621
	$

	# 2x3, ka-kz,wa-wz + ???
	$ egrep -i '^((k\|w)[a-z](a\|e\|g\|i\|l\|o\|s\|t)[a-z][a-z][a-z]$)’ /usr/share/dict/words
	399
	$