The word "prehn" has a unique spelling that can be explained through its phonetic transcription. In IPA, "prehn" is written as /prɛn/. The "pr" represents the initial consonant cluster, which combines the sounds of /p/ and /r/. The following "e" is pronounced as /ɛ/, which also appears in the word "pen" or "set". The final sound is /n/, which is common in many English words like "ten" and "den". Despite its uncommon spelling, "prehn" can be pronounced easily using its phonetic transcription.