b-p bbb bbm bbo bbp bbs bby bmb bmm bmo bmp bms bob bom boo bop bos boy bpb bpm bpo bpp bps bpy bsb bsm bso bsp bss bsy by- bym byo byp bys m-o mbb mbm mbo mbp mbs mmb mmm mmo mmp mms mob mom moo mop mos moy mpb mpm mpo mpp mps msb msm mso msp mss msy my- myb mym myo mys ob- obb obm obo obp obs oby om- omb omm omo omp oms omy oo- oob oom ooo oop oos op- opb opm opo opp ops opy os- osb osm oso osp oss oyo oys p-p pbb pbm pbo pbp pbs pby pmb pmm pmo pmp pms pob pom poo pop pos poy ppb ppm ppo ppp pps ps- psb psm pso psp pss psy py- pyb pym pyo pys sbb sbm sbo sbp sbs sby smb smm smo smp sms smy sob som soo sop sos soy spb spm spo spp sps spy ss- ssb ssm sso ssp sss sy- syb sym syp sys ybm ybp ybs yby ymm ymo yms yob yom yoo yop yos yoy ypo yps ysb ysm yso ysp yss ysy yyb yys yyy