The spelling of the word "arriola" is not intuitive, and it may be difficult for some people to pronounce correctly. In IPA phonetic transcription, the word is spelled /əˈri.o.lə/, which means that the stress falls on the second syllable. The "rr" sound is a trilled "r" that is pronounced by vibrating the tongue against the roof of the mouth, while the "i" sounds are pronounced as short vowels. The final "ola" is pronounced as "oh-luh". Overall, the spelling and pronunciation of "arriola" require some practice and familiarity with Spanish language sounds.