The spelling of the word "abdildin" can be explained using the International Phonetic Alphabet (IPA) transcription. The /æ/ sound is represented by the letter "a" in the first syllable, /b/ and /d/ sounds are used for the beginning and end letters respectively, and the second syllable has a soft /i/ sound represented by the letter "i". The /l/ sound is written as the letter "l" and the last two letters, /d/ and /in/ are also phonetically pronounced. Therefore, the correct spelling of this word is "abdildin."