bbbb bboy bbyo bcbc bcbp bccc bcoz bcpp bobb bobo boby boco boob booc boop booz bopp boyo boyz bozo bpcp byob byoc byop bzyb bzzz c-bo cbbc cbcc cbcp cbpc cbpp ccbc cccb cccc cccp ccob ccoc ccpp cobb cobo coby coco cocp coob coop copo copp copy coyo cozy cozz cpbc cybb cybc cybo cyc- cycb cycc cypc cyy- cyyc czyz obbo obby oboy ocbc occc ocpp ooby oooo oozy opo- oppo oppy ozzy pbcc pboc pcbc pccc pcpb pcpp pobo poco poop pop- popc popo popp popy poyo pozo ppcc pppo pppp pyo- pypy pyzy yccc yobo yoop yooz yopo yopy yoyo yozo ypcc yyyy zobo zoco zoo- zoop zopy zozo zypp zzzz