bbbb bbch bbdd bbdo bboy bbyo bcbc bcbp bccc bchd bcpp bdbc bddc bddh bdpc bhcc bhoy bobb bobo boby boch boco bodb bodh bodo body bohd boho bohy boob booc bood booh boop bopp boyd boyo bpcp bphc bych byob byoc byod byop byyd c-bo c-cd cbbc cbcc cbcp cbdb cbdc cbdo cbpc cbpp ccbc cccb cccc cccp ccdc ccdh ccdp cchp cchy ccob ccoc ccod ccpp cddb chbp chch chcp choc chod choh choo chop choy chpp chy- chyc cobb cobh cobo coby coch coco cocp codd cody coho coob cood cooh coop copd coph copo copp copy coyo cpbc cppd cybb cybc cybo cyc- cycb cycc cypc cyy- cyyc d-bo dbcc dbcp dboy dbpc dbpd dc-y dcbc dccb dccc dccp dcdb dcop dcpo dddd ddoc ddpo dhbp dhcp dhod dobb doby doch doco dod- dodd dodo dody dohc doob dood doop dopo dopp dopy doyo dpbc dpcp dphp dppc dpph dpyd dycd dych dydd dyhb dyhh dyhp dyo- dyoo dyph hbcd hboc hcbc hccb hccc hcch hcpc hdoc hdod hdyd hhhh hhpc hobo hoby hoch hodh hody hoho hood hoop hopo hopp hopy hpcc hpdh hybo hydd hyo- hyp- hyph hypo hypy obbo obby oboy ocbc occc ocpd ocpp odbo oddd oddy odoh odoo odop ohcc ohho ohob ohoh ohyo ooby ooho oooh oooo opo- oppo oppy oych pbcc pboc pcbc pccc pchp pcod pcpb pcpp pdcp pdoc phcc phob phoh phoo pobo pocd poch poco pod- podd podo pody pood pooh poop pop- popc popo popp popy poyo ppcc ppcd ppod pppd pppo pppp pych pyo- pypy yccc ycch yhyd yobo yoch yodh yodo yoho yood yoop yopo yopy yoyo ypcc yyyy