B
A big black bug bit a big black bear, made the big black bear bleed blood. 

Blake's black bike's back brake bracket block broke.

B-TT 
The batter with the butter is the batter that is better!

Betty Better bought some butter. «But,» she said, «this butter's bitter.
If I put it in my batter, it will make my batter bitter.
But a bit of better butter will make my bitter batter better.»
So she bought a bit of better butter and made her bitter batter better.

Bl-Bee 
One black beetle bled only black blood, the other black beetle bled blue.

Ea 
Each Easter Eddie eats eighty Easter eggs.

F 
There was a young fisher named Fisher who fished for a fish in a fissure.

The fish with a grin, pulled the fisherman in; now they're fishing the fissure for Fischer.

Fl 
A flea and a fly flew up in a flue. Said the flea, «Let us fly!» Said the fly, «Let us flee!» So they flew through a flaw in the flue.

Gr-G 
Great gray goats

M-N-G 
Can you imagine an imaginary menagerie manager
imagining managing an imaginary menagerie?

Oi-Oy 
What noise annoys an oyster most?
A noisy noise annoys an oyster most.

Ow 
Clowns grow glowing crowns.

Pe-Pi 
Peter Piper picked a peck of pickled peppers.
Did Peter Piper pick a peck of pickled peppers?

R-Wh 
Ripe white wheat reapers reap ripe white wheat right.

S-Sh 
The soldier's shoulder surely hurts!

S-W-Ch 
There's a sandwich on the sand which was sent by a sane witch.

Sh 
Shy Shelly says she shall sew sheets.

Sh-S-Sl 
She sees seas slapping shores.

Si-Sea 
Six sick sea-serpents swam the seven seas.

Si-Sh 
The sixth sick sheik's sixth sheep's sick.

Si-St 
Six stick shifts stuck shut.

Sl-Sh 
I slit the sheet, the sheet I slit, and on the slitted sheet I sit.

St-Sk-Th 
A skunk sat on a stump and thunk (thought) the stump stunk, but the stump thunk the skunk stunk.

Sw 
Swan swam over the sea. Swim, swan, swim! Swan swam back again. Well swum, swan!

T 
The two-twenty-two train tore through the tunnel.

T-W-Ch 
If two witches would watch two watches, which witch would watch which watch?

Tw 
Twelve twins twirled twelve twigs.

Tw-Th 
A twister of twists once twisted a twist.
and the twist that he twisted was a three twisted twist.
now in twisting this twist, if a twist should untwist,
would the twist that untwisted untwist the twists.

W-Ch-Sh-Ck 
Which witch wished which wicked wish?

W-One 
One-One was a racehorse; Two-Two was one, too.
When One-One won one race, Two-Two won one, too.

W-Th 
Whenever the weather is cold.
Whenever the weather is hot.
We'll whether the weather,
whatever the weather,
whether we like it or not.