b-p bbb bbd bbg bbo bbp bbr bdb bdd bdg bdo bdp bdr bdv bgb bgd bgg bgo bgp bgr bgv bob bod bog boo bop bor bov bpb bpd bpg bpo bpp bpr bpv brb brd brg bro brp brr brv bvb bvd bvg bvo bvp bvr bvv dbb dbd dbg dbo dbp dbr dbv ddb ddd ddg ddo ddp ddr dgd dgg dgp dgr dob dod dog doo dop dor dov dpb dpd dpg dpo dpp dpr dpv drb drd drg dro drp drr drv dvb dvd dvg dvp dvr g-d g-p gbd gbg gbo gbp gbr gbv gdb gdd gdo gdp gdr gdv ggb ggd ggg ggo ggp ggr ggv gob god gog goo gop gor gov gpb gpd gpg gpo gpp gpr grb grd grg gro grp grr grv gvb gvd gvg gvo gvp gvr ob- obb obd obg obo obp obr obv odb odd odg odo odp odr odv ogd ogg ogo ogp oo- oob ood oog ooo oop oor oov op- opb opd opg opo opp opr opv or- orb ord org oro orp orr orv ov- ovb ovd ovo ovp ovv p-p pbb pbd pbg pbo pbp pbr pdb pdd pdg pdo pdp pdr pdv pgb pgd pgg pgo pgp pgr pgv pob pod pog poo pop por pov ppb ppd ppg ppo ppp ppr ppv prb prd prg pro prp prr prv pvb pvd pvg pvo pvp pvr pvv rbb rbd rbg rbo rbp rbr rdb rdd rdg rdo rdp rdr rdv rgb rgd rgg rgo rgp rgr rgv rob rod rog roo rop ror rov rpb rpd rpg rpo rpp rpr rpv rrb rrd rrg rrp rrr rvb rvd rvg rvo rvp rvr rvv vbd vbg vbo vbr vbv vdb vdd vdg vdo vdp vdr vdv vgg vgo vgp vgr vob vod vog voo vop vor vov vpb vpd vpg vpo vpp vpr vrb vrd vrg vrp vrr vvb vvg vvo vvr vvv