b-p bbb bbg bbi bbm bbo bbp bbs bgb bgg bgi bgm bgo bgp bgs bi- bib big bii bim bio bip bis bmb bmg bmi bmm bmo bmp bms bob bog boi bom boo bop bos bpb bpg bpi bpm bpo bpp bps bsb bsg bsi bsm bso bsp bss g-p gbg gbi gbm gbo gbp gbs ggb ggg ggi ggm ggo ggp ggs gib gig gii gim gio gip gis gmb gmg gmi gmm gmo gmp gms gob gog goi gom goo gop gos gpb gpg gpi gpm gpo gpp gps gsb gsg gsi gsm gso gsp gss ibb ibg ibi ibm ibo ibp ibs igb igg igi igm igo igp igs iib iii iim iio iip iis im- imb img imi imm imo imp ims io- iob iog ioi iom ioo iop ios ipb ipg ipi ipm ipo ipp ips is- isb isg isi ism iso isp iss m-o mbb mbg mbi mbm mbo mbp mbs mgb mgi mgm mgo mgp mgs mi- mib mig mii mim mio mip mis mmb mmg mmi mmm mmo mmp mms mob mog moi mom moo mop mos mpb mpg mpi mpm mpo mpp mps msb msg msi msm mso msp mss o-i ob- obb obg obi obm obo obp obs ogg ogi ogo ogp ogs oib oii oim oio oip ois om- omb omg omi omm omo omp oms oo- oob oog ooi oom ooo oop oos op- opb opg opi opm opo opp ops os- osb osg osi osm oso osp oss p-p pbb pbg pbi pbm pbo pbp pbs pgb pgg pgi pgm pgo pgp pgs pib pig pii pim pio pip pis pmb pmg pmi pmm pmo pmp pms pob pog poi pom poo pop pos ppb ppg ppi ppm ppo ppp pps ps- psb psg psi psm pso psp pss sbb sbg sbi sbm sbo sbp sbs sgb sgg sgi sgm sgo sgp sgs sib sig sii sim sio sip sis smb smg smi smm smo smp sms sob sog soi som soo sop sos spb spg spi spm spo spp sps ss- ssb ssg ssi ssm sso ssp sss