Friendship:
Baljeet and Buford
Buford and Phineas
Phineas and Baljeet
Ferb and Baljeet
Isabella and the Fireside Girls
Fireside girls and other Fireside Girls
Isabella and Ferb
Isabella and Baljeet
Isabella and Buford
Isabella and Candace
Isabella and Stacy
Stacy and Ferb
Stacy and Phineas
Stacy and Baljeet
Candace and Buford
Candace and Baljeet
Perry and Doof
Perry and Carl
Perry and Monogram
Perry and Pinky
Perry and Peter
Perry and Terry
Perry and Monty
Perry and Vanessa
Linda and Vivian
Linda and Mrs. Johnson
Candace and Stacy
Candace and Jenny
Jenny and Stacy
Perry and Meap
Perry and Isabella
Perry and Buford
Perry and Baljeet
Coltrane and Jeremy
Django and Phineas
Django and Ferb
Django and Baljeet
Django and Isabella
Django and Buford
Irving and Buford
Irving and Baljeet
Irving and Phineas
Irving and Ferb
Irving and Candace
Irving and Isabella
Meap and Phineas
Meap and Ferb
Meap and Isabella
Meap and Perry
Meap and Candace
Monogram and Carl
Monogram and Doof
Romance:
Phineas and Isabella
Candace Jeremy
Buford and Milly
Buford and Bridgette
Baljeet and Ginger
Baljeet and Mishti
Ferb and Gretchen
Ferb and Vanessa
Ferb and Darcie (A/N: If you guys REALLY want)
Vanessa and Monty
Vanessa and Johnny
Doof and Charlene
Stacy and Coltrane
Laurence and Linda
Family/Pets:
Phineas and Ferb
Phineas and Candace
Phineas and Laurence
Phineas and Perry
Ferb and Perry
Candace and Perry
Linda and Perry
Laurence and Perry
Ferb and Candace
Ferb and Linda
Ferb and Laurence
Candace and Linda
Candace and Laurence
Doof and Vanessa
Vanessa and Charlene
Monty and Monogram
Vivian and Isabella
Irving and Albert
Jeremy and Suzy
Buford and Biff
Roger and Doof
Isabella and Pinky
Stacy and Ginger
Django and Jenny
Norm and Doof
Norm and Charlene
Vanessa and Norm