b-p bbb bbc bbo bbp bby bcb bcc bcj bco bcp bcy bjc bjj bjp bob boc boj boo bop boy bpb bpc bpo bpp bpy by- byc byj byo byp c-- c-j cbb cbc cbj cbo cbp cby ccb ccc ccj cco ccp cjb cjc cjp co- cob coc coj coo cop coy cpb cpc cpj cpo cpp cyb cyc cyo cyp jbc jbj jbo jcb jcc jco jcp jjb jjc jjj jjp jjy job joc joj joo jop joy jpb jpc jpj jpo jpp jpy jyj jyp ob- obb obc obj obo obp oby oc- ocb occ ocj oco ocp ojb ojc ojo ojy oo- oob ooc ooo oop op- opb opc opj opo opp opy oyo p-p pbb pbc pbj pbo pbp pby pcb pcc pcj pco pcp pjc pjo pjp pob poc poo pop poy ppb ppc ppj ppo ppp py- pyb pyc pyo ybc ybp yby ycc yco ycp ycy yob yoc yoj yoo yop yoy ypo yyb yyc yyy