Result:
1
/15
balloon
/bəˈluːn/
aeroplane
/ˈeərəpleɪn/
fly
/flaɪ/
engine
/ˈendʒɪn/
built
/bɪlt/
service
/ˈsɜːvɪs/
change
/tʃeɪndʒ/
faster
/ˈfɑːstər/
jet engine
/dʒet ˈendʒɪn/
passenger
/ˈpæsɪndʒər/
speed
/spiːd/
kilometre
/ˈkɪləmiːtər/
journey
/ˈdʒɜːni/
today
/təˈdeɪ/
without
/wɪˈðaʊt/