-er -ic b-p bbb bbc bbe bbf bbh bbi bbm bbo bbp bbr bcb bcc bce bcf bch bci bcm bco bcp bcr be- beb bec bee bef beh bei bem beo bep ber bfb bfc bfe bff bfh bfi bfm bfo bfp bfr bhb bhc bhe bhf bhh bhi bhm bho bhp bhr bi- bib bic bie bif bih bii bim bio bip bir bmb bmc bme bmf bmh bmi bmm bmo bmp bmr bob boc boe bof boh boi bom boo bop bor bpb bpc bpe bpf bph bpi bpm bpo bpp bpr brb bre brf brh bri brm bro brp brr c-- cbb cbc cbe cbf cbh cbi cbm cbo cbp cbr ccb ccc cce ccf cch cci ccm cco ccp ccr ce- ceb cec cee cef ceh cei cem ceo cep cer cfb cfc cfe cff cfh cfi cfm cfo cfp cfr ch- chb chc che chf chh chi chm cho chp chr ci- cib cic cie cif cih cii cim cio cip cir cmb cmc cme cmf cmh cmi cmm cmo cmp cmr co- cob coc coe cof coh coi com coo cop cor cpb cpc cpe cpf cph cpi cpm cpo cpp cpr crb crc cre crf crh cri crm cro crp crr ebb ebc ebe ebf ebh ebi ebm ebo ebp ebr ec- ecb ecc ece ecf ech eci ecm eco ecr eeb eec eee eef eem eeo eep eer ef- efb efc efe eff efh efi efm efo efp efr ehb ehc ehe ehf ehh ehi ehm eho ehp ehr eib eic eie eif eii eim eio eip eir em- emb emc eme emf emh emi emm emo emp emr eo- eob eoc eoe eof eoh eoi eom eoo eop eor ep- epb epc epe epf eph epi epm epo epp epr erb erc ere erf erh eri erm ero erp err fbb fbc fbe fbf fbh fbi fbm fbo fbp fbr fcb fcc fce fcf fci fcm fco fcp fcr feb fec fee fef feh fei fem feo fep fer ffc ffe fff ffh ffi ffm ffo ffp ffr fhb fhc fhe fhf fhh fhi fhm fho fhp fhr fib fic fie fif fih fii fim fip fir fmb fmc fme fmf fmh fmi fmm fmo fmp fmr fob foc foe fof foh foi fom foo fop for fpb fpc fpe fph fpi fpm fpo fpp fpr frb frc fre frf frh fri frm fro frp frr h-i hbb hbc hbe hbf hbh hbi hbm hbo hbp hbr hcb hcc hce hcf hch hci hcm hco hcp hcr he- heb hec hee hef heh hei hem heo hep her hfb hfc hfe hff hfh hfi hfm hfo hfp hfr hhb hhc hhe hhf hhh hhi hhm hho hhp hhr hib hic hie hif hih hii him hio hip hir hmb hmc hme hmf hmh hmi hmm hmo hmp hmr hob hoc hoe hof hoh hoi hom hoo hop hor hpb hpc hpe hpf hph hpi hpm hpo hpp hpr hr- hrb hrc hre hrf hrh hri hrm hro hrp hrr i-f ibb ibc ibe ibf ibh ibi ibm ibo ibp ibr icb icc ice icf ich ici icm ico icp icr ie- iec iee ief iei iem iep ier ifb ifc ife iff ifi ifm ifo ifp ifr ihb ihc ihe ihf ihh ihi ihm iho ihp ihr iib iic iie iif iih iii iim iio iip iir im- imb imc ime imf imh imi imm imo imp io- iob ioc ioe iof ioh ioi iom ioo iop ior ipb ipc ipe ipf ipi ipm ipo ipp ipr ir- irb irc ire irf iri irm iro irp irr m-f m-o m-r mbb mbc mbe mbf mbh mbi mbm mbo mbp mbr mc- mcb mcc mce mcf mch mci mcm mco mcp mcr meb mec mee mef meh mei mem meo mep mer mfb mfc mfe mff mfh mfi mfm mfo mfp mfr mhc mhf mhh mhi mhm mho mhp mhr mi- mib mic mie mif mih mii mim mio mip mir mmb mmc mme mmf mmh mmi mmm mmo mmp mmr mob moc moe mof moh moi mom moo mop mor mpb mpc mpe mpf mph mpi mpm mpo mpp mpr mrb mrc mre mrf mrh mri mrm mro mrp mrr o-i ob- obb obc obe obf obh obi obm obo obp obr oc- ocb occ ocf och oci ocm oco ocp ocr oeb oec oee oef oeh oei oem oeo oep oer of- ofb ofc ofe off ofi ofm ofo ofp ofr ohc ohe ohf ohh ohi ohm oho ohp ohr oib oic oie oif oii oim oio oip oir om- omb omc ome omf omh omi omm omo omp omr oo- oob ooc oof ooh ooi oom ooo oop oor op- opb opc ope opf oph opi opm opo opp opr or- orb orc ore orf orh ori orm oro orp orr p-p pbb pbc pbe pbf pbi pbm pbo pbp pbr pcb pcc pce pcf pch pci pcm pco pcp pcr peb pec pee pef peh pei pem peo pep per pfb pfc pfe pff pfi pfm pfo pfp pfr phb phc phe phf phi phm pho php phr pib pic pie pif pih pii pim pio pip pir pmb pmc pme pmf pmh pmi pmm pmo pmp pmr pob poc poe pof poh poi pom poo pop por ppb ppc ppe ppf pph ppi ppm ppo ppp ppr prb prc pre prf prh pri prm pro prp prr rbb rbc rbe rbf rbh rbi rbm rbo rbp rbr rcb rcc rce rcf rch rci rcm rco rcp rcr re- reb rec ree ref reh rei rem reo rep rer rfb rfc rfe rff rfh rfi rfm rfo rfp rfr rh- rhb rhc rhe rhf rhh rhi rhm rho rhp rhr rib ric rie rif rih rii rim rio rip rir rmb rmc rme rmf rmh rmi rmm rmo rmp rmr rob roc roe rof roh roi rom roo rop ror rpb rpc rpe rpf rph rpi rpm