The spelling of the word "Blechnon" is quite interesting. The first syllable "Blech" is pronounced as /blɛk/ in IPA phonetic transcription, which represents the unique sound of "e" as in "bed" and the silent "h" in English. The second syllable "non" is pronounced as /nɑn/, which represents the long "o" sound as in "stone". Therefore, the spelling of "Blechnon" combines the sounds of "e" and "o", as well as the silent "h", resulting in a unique and complex pronunciation.