▁. ▁For ▁instance ▁( str ess ▁under lined ): ▁t è r ra ▁ ▁→ ▁ter r assa ▁. ▁ ▁The ▁str essed ▁v owel ▁▁ ▁becomes ▁the ▁un str essed ▁v owel ▁ ▁. ▁For ▁instance ▁( str ess ▁under lined ): ▁c ò de ▁ ▁→ ▁cod ific ar ▁. ▁ ▁In ▁the ▁northern ▁part ▁of ▁Au ver g ne , ▁the ▁str essed ▁v owel ▁▁ ▁( un r ounded ) ▁becomes ▁the ▁un str essed ▁v owel ▁▁ ▁( r ounded ). ▁For ▁instance ▁( str ess ▁under lined ): ▁b ala ▁ ▁→ ▁bal on ▁. ▁ ▁The ▁str essed ▁di ph th ong ▁▁ ▁becomes ▁the ▁un str essed ▁di ph th ong ▁ ▁. ▁For ▁instance ▁( str ess ▁under lined ): ▁sa uta ▁ ▁→ ▁sa ut ar ▁. ▁ ▁The ▁str essed ▁di ph th ong ▁▁ ▁becomes ▁the ▁un str essed ▁di ph th ong ▁ ▁. ▁For ▁instance ▁( str ess ▁under lined ): ▁la issa ▁ ▁→ ▁la iss ar ▁. ▁▁ ▁V owel ▁changes ▁in ▁Lim ousin ▁ ▁A ▁strong ▁characteristic ▁of ▁Lim ousin ▁( also ▁a ▁feature ▁of ▁some ▁neighbour ing ▁dialect s ▁of ▁Viv aro - Al pine ) ▁is ▁the ▁neutral ization ▁of ▁the ▁ph on emes ▁ ▁and ▁ ▁in ▁one ▁single ▁ph on eme ▁, ▁that ▁can ▁have ▁various ▁degrees ▁of ▁opening . ▁ ▁In ▁words ▁of ▁popular ▁formation , ▁the ▁sequences ▁ ▁, ▁when ▁at ▁the ▁end ▁of ▁a ▁sy ll able , ▁first