p/b – pea/bee, pear/bear
t/d – toe/dough, tummy/dummy
k/g – cold/gold, coat/goat
f/v – fan/van, fine/vine
s/z – sip/zip, Sue/zoo
ch/j – chore/jaw, cheep/jeep
p/b – pea/bee, pear/bear
t/d – toe/dough, tummy/dummy
k/g – cold/gold, coat/goat
f/v – fan/van, fine/vine
s/z – sip/zip, Sue/zoo
ch/j – chore/jaw, cheep/jeep