Помогите с заданием по английскому

Очень сложно (нет)

air beat - airbeat
sand food - sandfood
on bow - onbow
class brush - classbrush
door fly - doorfly
butter dream - butterdream
heart let - heartlet
tooth bell - toothbell
leaf ship - leafship
fire board - fireboard
green man - greenman
back port - backport
gentle house - gentlehouse
friend fighter - friendfighter
day ground - dayground
card mate - cardmate
moon piece - moonpiece
play line - playline
master light - masterlight
rain castle - raincastle
sea ground - seaground

air beat - airbeat
sand food - sandfood
on bow - onbow
class brush - classbrush
door fly - doorfly
butter dream - butterdream
heart let - heartlet
tooth bell - toothbell
leaf ship - leafship
fire board - fireboard
green man - greenman
back port - backport
gentle house - gentlehouse
friend fighter - friendfighter
day ground - dayground
card mate - cardmate
moon piece - moonpiece
play line - playlist
master light - masterlight
rain castle - raincastle
sea ground - seaground
Если что пиши помогу

air beat - Airbeat
sand food - Sandfood
on bow - Onbow
class brush - Classbrush
door fly - Doorfly
butter dream - Butterdream
heart let - Heartlet
tooth bell - Toothbell
leaf ship - Leafship
fire board - Fireboard
green man - Greenman
back port - Backport
gentle house - Gentlehouse
friend fighter - Friendfighter
day ground - Dayground
card mate - Cardmate
moon piece - Moonpiece
play line - Playline
master light - Masterlight
rain castle - Raincastle
sea ground - Seaground

airport, sandcastle, on board, classmate, doorbell, butterfly, heartbeat, toothbrush, leaflet, firefighter, green, background, gentleman, friendship, daylight, cardboard, moon line, playground, masterpiece, rainbow, seafood