The spelling of the word "ORIG" can be explained using the IPA phonetic transcription. The first sound in "ORIG" is represented by the symbol /ɔː/, which indicates the open-mid back rounded vowel. The second sound is represented by the symbol /r/, which indicates the alveolar trill. The third sound is represented by the symbol /ɪ/, which indicates the close front unrounded vowel. The fourth and final sound is represented by the symbol /g/, which indicates the voiced velar plosive. Together, these four sounds make up the spelling of the word "ORIG".