The word "vallois" is pronounced as /val-wah/. It is a French word that means "walls" in English. The spelling of the word is derived from the French language, which has a distinct orthography system. The "v" is pronounced as "v" in English, while the "a" is pronounced as "ah." The double "l" is pronounced as "y" in English. The final "ois" is pronounced as "wah." Thus, "vallois" is spelled as it is pronounced in French.