Overlap relations

 sonneteermetasonnetoctavequatrainlinesphrsestetcouplet
sonneteer
meta
sonnet
octaveoctave | soctave | phr
quatrainquatrain | squatrain | phr
lineline | sline | phr
ss | octaves | quatrains | lines | sestet
phrphr | octavephr | quatrainphr | linephr | sestet
sestetsestet | ssestet | phr
couplet