Audio for the sound combinations in the Appendix on page 307 More sound practice to perfect your pronunciation. Sound with 'a' Sound with 'o' Sound with 'e' Sound with '-i' Sound with 'ai' Sound with 'ei' Sound with 'ao' Sound with 'ou' Sound with 'an' Sound with 'en' Sound with 'ang' Sound with 'eng' Sound with 'ong' Sound with 'ü' Sound with 'üe' Sound with 'üan' Sound with 'ün' Sound with 'i' Sound with 'ia' Sound with 'ie' Sound with 'iao' Sound with 'iu' Sound with 'ian' Sound with 'in' Sound with 'iang' Sound with 'ing' Sound with 'iong' Sound with 'u' Sound with 'ua' Sound with 'uo' Sound with 'uai' Sound with 'ui' Sound with 'uao' Sound with 'un' Sound with 'uang' Sound with 'ueng'