b-p bbb bbg bbh bbi bbo bbp bbr bbs bgb bgg bgh bgi bgo bgp bgr bgs bhb bhg bhh bhi bho bhp bhr bhs bi- bib big bih bii bio bip bir bis bob bog boh boi boo bop bor bos bpb bpg bph bpi bpo bpp bpr bps brb brg brh bri bro brp brr brs bsb bsg bsh bsi bso bsp bsr bss g-p gbg gbh gbi gbo gbp gbr gbs ggb ggg ggh ggi ggo ggp ggr ggs ghb ghg ghh ghi gho ghp ghr ghs gib gig gih gii gio gip gir gis gob gog goh goi goo gop gor gos gpb gpg gph gpi gpo gpp gpr gps grb grg grh gri gro grp grr grs gsb gsg gsi gso gsp gsr gss h-i hbb hbg hbh hbi hbo hbp hbr hbs hgb hgg hgh hgi hgo hgp hgr hgs hhb hhg hhh hhi hho hhp hhr hhs hib hig hih hii hio hip hir his hob hog hoh hoi hoo hop hor hos hpb hpg hph hpi hpo hpp hpr hps hr- hrb hrg hrh hri hro hrp hrr hrs hsb hsg hsh hsi hsp hsr hss ibb ibg ibh ibi ibo ibp ibr ibs igb igg igh igi igo igp igr igs ihb ihg ihh ihi iho ihp ihr ihs iib iih iii iio iip iir iis io- iob iog ioh ioi ioo iop ior ios ipb ipg ipi ipo ipp ipr ips ir- irb irg iri iro irp irr irs is- isb isg ish isi iso isp isr iss o-i ob- obb obg obh obi obo obp obr obs ogg ogh ogi ogo ogp ogs ohg ohh ohi oho ohp ohr ohs oib oii oio oip oir ois oo- oob oog ooh ooi ooo oop oor oos op- opb opg oph opi opo opp opr ops or- orb org orh ori oro orp orr ors os- osb osg osh osi oso osp osr oss p-p pbb pbg pbi pbo pbp pbr pbs pgb pgg pgh pgi pgo pgp pgr pgs phb phg phi pho php phr phs pib pig pih pii pio pip pir pis pob pog poh poi poo pop por pos ppb ppg pph ppi ppo ppp ppr pps prb prg prh pri pro prp prr prs ps- psb psg psh psi pso psp psr pss rbb rbg rbh rbi rbo rbp rbr rbs rgb rgg rgh rgi rgo rgp rgr rgs rh- rhb rhg rhh rhi rho rhp rhr rhs rib rig rih rii rio rip rir ris rob rog roh roi roo rop ror ros rpb rpg rph rpi rpo rpp rpr rps rrb rrg rrh rri rrp rrr rrs rsb rsg rsh rsi rso rsp rsr rss sbb sbg sbh sbi sbo sbp sbr sbs sgb sgg sgh sgi sgo sgp sgr sgs sh- shb shg shh shi sho shp shr shs sib sig sih sii sio sip sir sis sob sog soh soi soo sop sor sos spb spg sph spi spo spp spr sps sr- srb srg srh sri sro srp srr srs ss- ssb ssg ssh ssi sso ssp ssr sss