b-p bbb bbc bbd bbh bbo bbp bby bcb bcc bcd bch bco bcp bcy bdb bdc bdd bdh bdo bdp bdy bhb bhc bhd bhh bho bhp bob boc bod boh boo bop boy bpb bpc bpd bph bpo bpp bpy by- byc byd byh byo byp c-- cbb cbc cbd cbh cbo cbp cby ccb ccc ccd cch cco ccp cdb cdc cdd cdh cdo cdp cdy ch- chb chc chd chh cho chp chy co- cob coc cod coh coo cop coy cpb cpc cpd cph cpo cpp cyb cyc cyd cyo cyp dbb dbc dbd dbh dbo dbp dby dcb dcc dcd dco dcp ddb ddc ddd ddh ddo ddp ddy dh- dhb dhc dhd dhh dho dhp dob doc dod doh doo dop doy dpb dpc dpd dph dpo dpp dy- dyb dyc dyd dyo dyp dyy hbb hbc hbd hbh hbo hbp hby hcb hcc hcd hch hco hcp hcy hdb hdc hdd hdh hdo hdp hdy hhb hhc hhd hhh hho hhp hhy hob hoc hod hoh hoo hop hoy hpb hpc hpd hph hpo hpp hpy hy- hyb hyc hyd hyh hyo hyp hyy ob- obb obc obd obh obo obp oby oc- ocb occ ocd och oco ocp odb odc odd odh odo odp ohc ohd ohh oho ohp oo- oob ooc ood ooh ooo oop op- opb opc opd oph opo opp opy oyd oyo p-p pbb pbc pbd pbo pbp pby pcb pcc pcd pch pco pcp pdb pdc pdd pdh pdo pdp phb phc phd pho php phy pob poc pod poh poo pop poy ppb ppc ppd pph ppo ppp py- pyb pyc pyd pyo ybc ybp yby ycc ycd ych yco ycp ycy ydo ydy yhc yob yoc yod yoo yop yoy ypd ypo yyb yyc yyy