11 eleven [ɪ'lev(ə)n]
12 twelve[twelv]
13 thirteen [θɜː'tiːn 'θɜːtiːn]
14 fourteen [fɔː'tiːn 'fɔːtiːn]
15 fifteen [fɪf'tiːn 'fɪftiːn]
16 sixteen [sɪks'tiːn 'sɪkstiːn]
17 seventeen [sev(ə)n'tiːn 'sev(ə)ntiːn]
18 eighteen [eɪ'tiːn 'eɪtiːn]
19 nineteen [naɪn'tiːn 'naɪntiːn]
20 twenty ['twentɪ]
