Overlap relations

 sonneteermetasonnetoctavequatrainlinesphrsestettercet
sonneteer
meta
sonnet
octaveoctave | phr
quatrainquatrain | phr
lineline | sline | phr
ss | lines | sestets | tercet
phrphr | octavephr | quatrainphr | linephr | sestetphr | tercet
sestetsestet | ssestet | phr
tercettercet | stercet | phr