-ic b-p bbb bbc bbg bbh bbi bbo bbp bbr bbs bcb bcc bcg bch bci bco bcp bcr bcs bgb bgc bgg bgh bgi bgo bgp bgr bgs bhb bhc bhg bhh bhi bho bhp bhr bhs bi- bib bic big bih bii bio bip bir bis bob boc bog boh boi boo bop bor bos bpb bpc bpg bph bpi bpo bpp bpr bps brb brg brh bri bro brp brr brs bsb bsc bsg bsh bsi bso bsp bsr bss c-- cbb cbc cbg cbh cbi cbo cbp cbr cbs ccb ccc ccg cch cci cco ccp ccr ccs cgb cgc cgg cgh cgi cgo cgp cgr cgs ch- chb chc chg chh chi cho chp chr chs ci- cib cic cig cih cii cio cip cir cis co- cob coc cog coh coi coo cop cor cos cpb cpc cpg cph cpi cpo cpp cpr cps crb crc crg crh cri cro crp crr crs csb csc csg csh csi cso csp csr css g-p gbc gbg gbh gbi gbo gbp gbr gbs gcb gcc gcg gch gci gco gcp gcr gcs ggb ggc ggg ggh ggi ggo ggp ggr ggs ghb ghc ghg ghh ghi gho ghp ghr ghs gib gic gig gih gii gio gip gir gis gob goc gog goh goi goo gop gor gos gpb gpc gpg gph gpi gpo gpp gpr gps grb grc grg grh gri gro grp grr grs gsb gsc gsg gsi gso gsp gsr gss h-i hbb hbc hbg hbh hbi hbo hbp hbr hbs hcb hcc hcg hch hci hco hcp hcr hcs hgb hgc hgg hgh hgi hgo hgp hgr hgs hhb hhc hhg hhh hhi hho hhp hhr hhs hib hic hig hih hii hio hip hir his hob hoc hog hoh hoi hoo hop hor hos hpb hpc hpg hph hpi hpo hpp hpr hps hr- hrb hrc hrg hrh hri hro hrp hrr hrs hsb hsc hsg hsh hsi hsp hsr hss ibb ibc ibg ibh ibi ibo ibp ibr ibs icb icc icg ich ici ico icp icr ics igb igc igg igh igi igo igp igr igs ihb ihc ihg ihh ihi iho ihp ihr ihs iib iic iih iii iio iip iir iis io- iob ioc iog ioh ioi ioo iop ior ios ipb ipc ipg ipi ipo ipp ipr ips ir- irb irc irg iri iro irp irr irs is- isb isc isg ish isi iso isp isr iss o-i ob- obb obc obg obh obi obo obp obr obs oc- ocb occ ocg och oci oco ocp ocr ocs ogc ogg ogh ogi ogo ogp ogs ohc ohg ohh ohi oho ohp ohr ohs oib oic oii oio oip oir ois oo- oob ooc oog ooh ooi ooo oop oor oos op- opb opc opg oph opi opo opp opr ops or- orb orc org orh ori oro orp orr ors os- osb osc osg osh osi oso osp osr oss p-p pbb pbc pbg pbi pbo pbp pbr pbs pcb pcc pcg pch pci pco pcp pcr pcs pgb pgc pgg pgh pgi pgo pgp pgr pgs phb phc phg phi pho php phr phs pib pic pig pih pii pio pip pir pis pob poc pog poh poi poo pop por pos ppb ppc ppg pph ppi ppo ppp ppr pps prb prc prg prh pri pro prp prr prs ps- psb psc psg psh psi pso psp psr pss rbb rbc rbg rbh rbi rbo rbp rbr rbs rcb rcc rcg rch rci rco rcp rcr rcs rgb rgc rgg rgh rgi rgo rgp rgr rgs rh- rhb rhc rhg rhh rhi rho rhp rhr rhs rib ric rig rih rii rio rip rir ris rob roc rog roh roi roo rop ror ros rpb rpc rpg rph rpi rpo rpp rpr rps rrb rrc rrg rrh rri rrp rrr rrs rsb rsc rsg rsh rsi rso rsp rsr rss sbb sbc sbg sbh sbi sbo sbp sbr sbs scb scc scg sch sci sco scp scr scs sgb sgc sgg sgh sgi sgo sgp sgr sgs sh- shb shc shg shh shi sho shp shr shs sib sic sig sih sii sio sip sir sis sob soc sog soh soi soo sop sor sos spb spc spg sph spi spo spp spr sps sr- srb src srg srh sri sro srp srr srs ss- ssb ssc ssg ssh ssi sso ssp ssr sss