-ic b-p bbb bbc bbd bbi bbm bbo bbp bbr bbs bcb bcc bcd bci bcm bco bcp bcr bcs bdb bdc bdd bdi bdm bdo bdp bdr bds bi- bib bic bid bii bim bio bip bir bis bmb bmc bmd bmi bmm bmo bmp bmr bms bob boc bod boi bom boo bop bor bos bpb bpc bpd bpi bpm bpo bpp bpr bps brb brd bri brm bro brp brr brs bsb bsc bsd bsi bsm bso bsp bsr bss c-- cbb cbc cbd cbi cbm cbo cbp cbr cbs ccb ccc ccd cci ccm cco ccp ccr ccs cdb cdc cdd cdi cdm cdo cdp cdr cds ci- cib cic cid cii cim cio cip cir cis cmb cmc cmd cmi cmm cmo cmp cmr cms co- cob coc cod coi com coo cop cor cos cpb cpc cpd cpi cpm cpo cpp cpr cps crb crc crd cri crm cro crp crr crs csb csc csd csi csm cso csp csr css dbb dbc dbd dbi dbm dbo dbp dbr dbs dcb dcc dcd dci dcm dco dcp dcr dcs ddb ddc ddd ddi ddm ddo ddp ddr dds di- dib dic did dii dim dio dip dir dis dmb dmc dmd dmi dmm dmo dmp dmr dms dob doc dod doi dom doo dop dor dos dpb dpc dpd dpi dpm dpo dpp dpr dps drb drc drd dri drm dro drp drr drs dsb dsc dsd dsi dsm dso dsp dsr dss i-d ibb ibc ibd ibi ibm ibo ibp ibr ibs icb icc icd ici icm ico icp icr ics idb idc idd idi idm ido idp idr ids iib iic iid iii iim iio iip iir iis im- imb imc imd imi imm imo imp ims io- iob ioc iod ioi iom ioo iop ior ios ipb ipc ipd ipi ipm ipo ipp ipr ips ir- irb irc ird iri irm iro irp irr irs is- isb isc isd isi ism iso isp isr iss m-o m-r mbb mbc mbd mbi mbm mbo mbp mbr mbs mc- mcb mcc mcd mci mcm mco mcp mcr mcs mdb mdc mdd mdi mdm mdo mdp mdr mds mi- mib mic mid mii mim mio mip mir mis mmb mmc mmd mmi mmm mmo mmp mmr mms mob moc mod moi mom moo mop mor mos mpb mpc mpd mpi mpm mpo mpp mpr mps mrb mrc mrd mri mrm mro mrp mrr mrs msb msc msd msi msm mso msp msr mss o-i ob- obb obc obd obi obm obo obp obr obs oc- ocb occ ocd oci ocm oco ocp ocr ocs odb odc odd odi odm odo odp odr ods oib oic oid oii oim oio oip oir ois om- omb omc omd omi omm omo omp omr oms oo- oob ooc ood ooi oom ooo oop oor oos op- opb opc opd opi opm opo opp opr ops or- orb orc ord ori orm oro orp orr ors os- osb osc osd osi osm oso osp osr oss p-p pbb pbc pbd pbi pbm pbo pbp pbr pbs pcb pcc pcd pci pcm pco pcp pcr pcs pdb pdc pdd pdi pdm pdo pdp pdr pds pib pic pid pii pim pio pip pir pis pmb pmc pmd pmi pmm pmo pmp pmr pms pob poc pod poi pom poo pop por pos ppb ppc ppd ppi ppm ppo ppp ppr pps prb prc prd pri prm pro prp prr prs ps- psb psc psd psi psm pso psp psr pss rbb rbc rbd rbi rbm rbo rbp rbr rbs rcb rcc rcd rci rcm rco rcp rcr rcs rdb rdc rdd rdi rdm rdo rdp rdr rds rib ric rid rii rim rio rip rir ris rmb rmc rmd rmi rmm rmo rmp rmr rms rob roc rod roi rom roo rop ror ros rpb rpc rpd rpi rpm rpo rpp rpr rps rrb rrc rrd rri rrm rrp rrr rrs rsb rsc rsd rsi rsm rso rsp rsr rss sbb sbc sbd sbi sbm sbo sbp sbr sbs scb scc scd sci scm sco scp scr scs sdb sdc sdd sdi sdm sdo sdp sdr sds sib sic sid sii sim sio sip sir sis smb smc smd smi smm smo smp smr sms sob soc sod soi som soo sop sor sos spb spc spd spi spm spo spp spr sps sr- srb src srd sri srm sro srp srr srs ss- ssb ssc ssd ssi ssm sso ssp ssr sss