-er b-p bbb bbd bbe bbh bbi bbn bbp bbr bbs bdb bdd bde bdh bdi bdp bdr bds be- beb bed bee beh bei ben bep ber bes bhb bhd bhe bhh bhi bhp bhr bhs bi- bib bid bie bih bii bin bip bir bis bnb bnd bne bni bnn bnp bnr bns bpb bpd bpe bph bpi bpn bpp bpr bps brb brd bre brh bri brn brp brr brs bsb bsd bse bsh bsi bsn bsp bsr bss dbb dbd dbe dbh dbi dbn dbp dbr dbs ddb ddd dde ddh ddi ddn ddp ddr dds de- deb ded dee deh dei den dep der des dh- dhb dhd dhe dhh dhi dhp dhr dhs di- dib did die dih dii din dip dir dis dnb dnd dne dnh dni dnn dnp dnr dns dpb dpd dpe dph dpi dpn dpp dpr dps drb drd dre dri drn drp drr drs dsb dsd dse dsh dsi dsn dsp dsr dss ebb ebd ebe ebh ebi ebn ebp ebr ebs ed- edb edd ede edh edi edn edp edr eds eeb eed eee een eep eer ees ehb ehd ehe ehh ehi ehn ehp ehr ehs eib eid eie eii ein eip eir eis en- enb end ene enh eni enn enp enr ens ep- epb epd epe eph epi epn epp epr eps erb erd ere erh eri ern erp err ers es- esb esd ese esh esi esn esp esr ess h-i hbb hbd hbe hbh hbi hbn hbp hbr hbs hdb hdd hde hdh hdi hdn hdp hdr hds he- heb hed hee heh hei hen hep her hes hhb hhd hhe hhh hhi hhn hhp hhr hhs hib hid hie hih hii hin hip hir his hnb hnd hne hnh hnn hns hpb hpd hpe hph hpi hpn hpp hpr hps hr- hrb hrd hre hrh hri hrn hrp hrr hrs hsb hsd hse hsh hsi hsn hsp hsr hss i-d ibb ibd ibe ibh ibi ibn ibp ibr ibs idb idd ide idh idi idn idp idr ids ie- ied iee iei ien iep ier ies ihb ihd ihe ihh ihi ihn ihp ihr ihs iib iid iie iih iii iin iip iir iis in- inb ind ine inh ini inn inp inr ins ipb ipd ipe ipi ipn ipp ipr ips ir- irb ird ire iri irn irp irr irs is- isb isd ise ish isi isn isp isr iss n-i nbb nbd nbe nbi nbn nbp nbr nbs ndb ndd nde ndh ndi ndn ndp ndr nds ne- neb ned nee neh nei nen nep ner nes nhb nhd nhe nhh nhi nhn nhp nhr nhs nib nid nie nih nii nin nip nir nis nnb nne nnh nni nnn nnp nns npb npd npe nph npi npn npp npr nps nrb nrd nre nri nrn nrp nrr nrs nsb nsd nse nsh nsi nsn nsp nsr nss p-p pbb pbd pbe pbi pbn pbp pbr pbs pdb pdd pde pdh pdi pdn pdp pdr pds peb ped pee peh pei pen pep per pes phb phd phe phi phn php phr phs pib pid pie pih pii pin pip pir pis pn- pnb pnd pne pnh pni pnn pnp pnr pns ppb ppd ppe pph ppi ppn ppp ppr pps prb prd pre prh pri prn prp prr prs ps- psb psd pse psh psi psn psp psr pss rbb rbd rbe rbh rbi rbn rbp rbr rbs rdb rdd rde rdh rdi rdn rdp rdr rds re- reb red ree reh rei ren rep rer res rh- rhb rhd rhe rhh rhi rhn rhp rhr rhs rib rid rie rih rii rin rip rir ris rnb rnd rnh rni rnn rnp rnr rns rpb rpd rpe rph rpi rpn rpp rpr rps rrb rrd rrh rri rrn rrp rrr rrs rsb rsd rse rsh rsi rsn rsp rsr rss sbb sbd sbe sbh sbi sbn sbp sbr sbs sdb sdd sde sdh sdi sdn sdp sdr sds se- seb sed see seh sei sen sep ser ses sh- shb shd she shh shi shn shp shr shs sib sid sie sih sii sin sip sir sis snb snd sne sni snn snp snr sns spb spd spe sph spi spn spp spr sps sr- srb srd sre srh sri srn srp srr srs ss- ssb ssd sse ssh ssi ssn ssp ssr sss