The word "BETAENDO" is spelled with the following IPA phonetic transcription: /bɛtændo/. The first syllable is pronounced as "bet" with a short "e" sound, followed by "an" with a short "a" sound. The third syllable, "do", is pronounced with a long "o" sound. This word may be difficult to spell due to the combination of vowels, but with practice and familiarization with IPA, it can be easily mastered.