Roughly 28.9 bits of entropy per pair (less after the first pair.)

unit-Nordic

Panama-hes

Rod's-wattle

embryo-mold's

mammon-song

tramp-Chen

punish-goodly

limber-unison

dourer-Ozarks

yuck's-mohair

avail-denim

seared-spur's

leafed-anted

noshes-Merino

calls-states

Asimov-Planck

weds-puma

debase-amigos

hanks-resent

woof-rums

jog-blonds

Aachen-nova

candid-ICBM's

Aimee-soot

sunken-madmen

Nancy-eerily

menial-Nelda

postal-rearms

Traci-nines

live-Lamaze

gaily-Prada

grab's-wimpy

goad's-arcked

smoker-Hopi's

raft-belay

ninjas-weight

method-cove's

sops-fiat's

cadet-vacuum

Np-honest

sate-donned

kooks-crowns

nits-earns

treble-dowel

stern-seamy

Darwin-Leila

grudge-hump's

buzzes-cite's

dramas-Cr's

metros-footed

jaunty-cuff's

raw-bawl

tiptoe-hush's

awoken-Shrek

gull-plum

rajah-curs

icily-alders

unlock-lumpy

Zomba-hones

farmer-tips

Fosse-slush

source-impose

scope-plated

roar-Cognac

Ln-waster

Saks-tarps

parody-ark's