Purge lots of two-letter words

These are not as important to the generator anymore so we can get rid of
the superfluous ones.

words.txt

@@ -9,7 +9,6 @@ adult
 after
 again
 age
-AI
 AIDS
 algae
 alien
@@ -115,7 +114,6 @@ bloody
 blow
 blub
 blue
-BM
 board
 boat
 boil
@@ -418,13 +416,11 @@ earth
 eat
 ebola
 ECG
-ed
 edge
 edging
 edgy
 eevee
 egg
-eh
 EKG
 eldrich
 elf
@@ -436,13 +432,11 @@ elongate
 emo
 empty
 emu
-en
 enema
 enemy
 enigma
 enoguro
 equip
-er
 erase
 eris
 erotic
@@ -553,7 +547,6 @@ frog
 front
 frot
 fry
-fu
 fucc
 fuccboi
 fuck
@@ -663,7 +656,6 @@ herpes
 het
 hetero
 hex
-hi
 hickey
 high
 hit
@@ -711,7 +703,6 @@ influx
 insert
 into
 invade
-ip
 IRC
 iron
 islam
@@ -724,7 +715,6 @@ jagoff
 japan
 jar
 jazz
-jd
 jean
 jeans
 jerk
@@ -1015,9 +1005,7 @@ oat
 obama
 ocean
 ochre
-OD
 off
-oh
 ohh
 ohno
 oil
@@ -1204,7 +1192,6 @@ puto
 PvP
 pwn
 python
-qi
 quack
 quake
 quart
@@ -1277,7 +1264,6 @@ rump
 run
 rung
 rust
-rx
 sac
 sack
 sacred
@@ -1627,9 +1613,7 @@ twit
 uber
 udp
 ugh
-uh
 uk
-um
 unbirth
 uncle
 undies
@@ -1670,7 +1654,6 @@ vomit
 voodoo
 vore
 voyeur
-vr
 vulva
 wack
 waffle