c-cor c-p-c c-pop ccccc cccii cciii chich chico chiho chio- chir- chiri chiro chirp chirr choco choir choop choor chopi chor- choro chric cicho cipco cippi cipro circo ciric cirio cirr- cirri cirro co-co co-op cocc- cocci cocco cocio cocir cohoo coiro cooch copic copii copir coppi coppo copr- copro corio coro- coroi corop corri cphpc crich crio- croci croco croop cropc cropo h-cho hcooh hhhhh hi-hi hipo- hipop hipp- hippi hippo hirch hiroi hiroo ho-ho ho-oh hocco hochi hooch hoori hoppo horch horii horio horro hroch ichhi ichor icici iiiii ioooi ioooo iorio ipcop ircii irico irori occii ochro oh-oh ohchr ohrio oichi ooioo ooooh ooooo oopic ophi- ophic ophio ophir opici opico opihi opio- opir opoho orcop oroch oroco oropi phccc phhir phiph phiri phrop picco pichi pico- picr- picro piiri pippi pippo pipri pirch pirho piric pirri pirro po-po pochi pocho pocop pocri pohio pooch poopo poori popco popoi popop poppi poppo porch porco poro- poroi porri porro prhci prich prior proch proor prop- propp propr r-co- rcirc rhppc ricci ricco richi richo ricoh riich rioch ripio ro-ro rocco rocio rocor rohci rohri roohi roric rprop