Scool Scrabble Tool
Scool is a tool for finding valid letter combinations for Scrabble. It currently uses the TWL06 wordlist. We'll add other wordlists in the future to complement TWL, such as SOWPODS.
You would benefit by memorizing these:

 

Construct your own queries:

Like:

Use the following placeholders for the like query: % matches any number of characters; _ matches exactly one character, !negates; @ intersects (AND's) the results. The like query is a fast and flexible way to find words matching a pattern.

 

Anagram:

Sub-anagrams are coming... stay tuned!

 

Where:

The where query is more advanced. It lets you define the SQL WHERE clause manually. For example, here's a query that finds all 7-letter words with 'able' somewhere inside them.

Add f to 3-letter words
110 words found.

alef             fens             fops             
barf             fere             fora             
beef             fern             forb             
bumf             fess             fore             
coof             feta             fort             
corf             fice             four             
curf             fids             fowl             
delf             fief             foxy             
diff             fill             frag             
fabs             fink             frap             
face             fins             frat             
fact             fire             fray             
fado             fits             free             
fads             flab             fret             
fags             flag             frig             
fail             flam             froe             
fain             flap             from             
fair             flat             frow             
fall             flaw             frug             
fane             flax             funs             
fare             flay             fuse             
farm             flea             goof             
fart             fled             gulf             
fash             flee             howf             
fate             flex             leaf             
fava             fley             lief             
fave             flip             loof             
fawn             flit             poof             
fays             flog             prof             
fear             flop             reef             
feat             flow             reif             
feds             flux             riff             
feel             foes             seif             
fell             foil             self             
feme             fold             serf             
fems             fons             woof             
fend             foot