The spelling of the word "ADALP" can be explained using IPA phonetic transcription. The first two letters "AD" are pronounced as /æd/, which is the sound of the vowel 'a' followed by the consonant 'd'. The next two letters "AL" are pronounced as /æl/, which is the sound of the vowel 'a' followed by the consonant 'l'. The final letter "P" is pronounced as /pi:/, which is the sound of the consonant 'p' followed by the long vowel 'i'. Therefore, the correct pronunciation of "ADALP" is /ædælpi:/ in IPA phonetic transcription.