-er -ic b-u bbb bbc bbd bbe bbi bbm bbn bbr bbs bbu bcb bcc bcd bce bci bcm bcn bcr bcs bcu bdb bdc bdd bde bdi bdm bdr bds bdu be- beb bec bed bee bei bem ben ber bes beu bi- bib bic bid bie bii bim bin bir bis biu bmb bmc bmd bme bmi bmm bmn bmr bms bmu bnb bnc bnd bne bni bnn bnr bns bnu brb brd bre bri brm brn brr brs bru bsb bsc bsd bse bsi bsm bsn bsr bss bsu bub buc bud bue bui bum bun bur bus buu c-- cbb cbc cbd cbe cbi cbm cbn cbr cbs cbu ccb ccc ccd cce cci ccm ccn ccr ccs ccu cdb cdc cdd cde cdi cdm cdn cdr cds cdu ce- ceb cec ced cee cei cem cen cer ces ceu ci- cib cic cid cie cii cim cin cir cis ciu cmb cmc cmd cme cmi cmm cmn cmr cms cmu cn- cnb cnc cnd cne cni cnm cnn cnr cns cnu crb crc crd cre cri crm crn crr crs cru csb csc csd cse csi csm csn csr css csu cub cuc cud cue cui cum cun cur cus cuu dbb dbc dbd dbe dbi dbm dbn dbr dbs dbu dcb dcc dcd dce dci dcm dcn dcr dcs dcu ddb ddc ddd dde ddi ddm ddn ddr dds ddu de- deb dec ded dee dei dem den der des deu di- dib dic did die dii dim din dir dis diu dmb dmc dmd dme dmi dmm dmn dmr dms dmu dnb dnc dnd dne dni dnm dnn dnr dns drb drc drd dre dri drm drn drr drs dru dsb dsc dsd dse dsi dsm dsn dsr dss dsu dub duc dud due dui dum dun dur dus ebb ebc ebd ebe ebi ebm ebn ebr ebs ebu ec- ecb ecc ecd ece eci ecm ecn ecr ecs ecu ed- edb edc edd ede edi edm edn edr eds edu eeb eec eed eee eem een eer ees eib eic eid eie eii eim ein eir eis eiu em- emb emc emd eme emi emm emn emr ems emu en- enb enc end ene eni enm enn enr ens enu erb erc erd ere eri erm ern err ers eru es- esb esc esd ese esi esm esn esr ess esu eu- eub euc eud eue eui eun eur eus i-d ibb ibc ibd ibe ibi ibm ibn ibr ibs ibu icb icc icd ice ici icm icn icr ics icu idb idc idd ide idi idm idn idr ids idu ie- iec ied iee iei iem ien ier ies iib iic iid iie iii iim iin iir iis iiu im- imb imc imd ime imi imm imn ims imu in- inb inc ind ine ini inm inn inr ins inu ir- irb irc ird ire iri irm irn irr irs iru is- isb isc isd ise isi ism isn isr iss isu iu- iub iuc iud iue iui ium iur ius m-r mbb mbc mbd mbe mbi mbm mbr mbs mbu mc- mcb mcc mcd mce mci mcm mcn mcr mcs mcu mdb mdc mdd mde mdi mdm mdn mdr mds mdu meb mec med mee mei mem men mer mes meu mi- mib mic mid mie mii mim min mir mis miu mmb mmc mmd mme mmi mmm mmn mmr mms mmu mnb mnc mne mni mnm mnn mnr mns mnu mrb mrc mrd mre mri mrm mrn mrr mrs mru msb msc msd mse msi msm msn msr mss msu mub muc mud mue mui mum mun mur mus muu n-i nbb nbc nbd nbe nbi nbm nbn nbr nbs nbu ncb ncc ncd nce nci ncm ncn ncr ncs ncu ndb ndc ndd nde ndi ndm ndn ndr nds ndu ne- neb nec ned nee nei nem nen ner nes neu nib nic nid nie nii nim nin nir nis niu nmb nmc nmd nme nmi nmm nmn nmr nms nmu nnb nnc nne nni nnm nnn nns nnu nrb nrc nrd nre nri nrm nrn nrr nrs nru nsb nsc nsd nse nsi nsm nsn nsr nss nsu nub nuc nud nue nui num nun nur nus nuu rbb rbc rbd rbe rbi rbm rbn rbr rbs rbu rcb rcc rcd rce rci rcm rcn rcr rcs rcu rdb rdc rdd rde rdi rdm rdn rdr rds rdu re- reb rec red ree rei rem ren rer res reu rib ric rid rie rii rim rin rir ris rmb rmc rmd rme rmi rmm rmn rmr rms rnb rnc rnd rni rnm rnn rnr rns rnu rrb rrc rrd rri rrm rrn rrr rrs rru rsb rsc rsd rse rsi rsm rsn rsr rss rsu rub ruc rud rue rui rum run rur rus ruu sbb sbc sbd sbe sbi sbm sbn sbr sbs sbu scb scc scd sce sci scm scn scr scs scu sdb sdc sdd sde sdi sdm sdn sdr sds sdu se- seb sec sed see sei sem sen ser ses seu sib sic sid sie sii sim sin sir sis siu smb smc smd sme smi smm smn smr sms smu snb snc snd sne sni snm snn snr sns snu sr- srb src srd sre sri srm srn srr srs ss- ssb ssc ssd sse ssi ssm ssn ssr sss ssu sub suc sud sue sui sum sun sur sus suu ubb ubc ube ubi ubn ubr ubs ubu ucb ucc ucd uce uci ucm ucn ucr ucs ucu udb udc udd ude udi udm udn udr uds udu ueb uec ued uee uei uem uen uer ues uib uic uid uie uii uim uin uir uis uiu um- umb umc umd ume umi umm umn umr ums umu un- unb unc und une uni unm unn unr uns unu ur- urb urc urd ure uri urm urn urr urs uru usb usc usd use usi usm usn usr uss usu