The spelling of the word "HEEREDA" can be explained using the International Phonetic Alphabet (IPA). The first two letters "HE" represent the vowel sound /iː/, as in "heel". The third letter "R" indicates a consonant sound, which varies depending on the region and dialect of the speaker. The fourth and fifth letters "ED" denote the past tense suffix /əd/ or /ɪd/, as in "loved" or "wanted". The final letter "A" represents the vowel sound /æ/, as in "cat". Therefore, the IPA transcription of "HEEREDA" is /hiːrɪdə/.