-er -ic b-u bbb bbc bbd bbe bbi bbl bbn bbr bbs bbu bcb bcc bcd bce bci bcl bcn bcr bcs bcu bdb bdc bdd bde bdi bdl bdr bds bdu be- beb bec bed bee bei bel ben ber bes beu bi- bib bic bid bie bii bil bin bir bis biu blb blc bld ble bli bll bln blr bls blu bnb bnc bnd bne bni bnl bnn bnr bns bnu brb brd bre bri brl brn brr brs bru bsb bsc bsd bse bsi bsl bsn bsr bss bsu bub buc bud bue bui bul bun bur bus buu c-- cbb cbc cbd cbe cbi cbl cbn cbr cbs cbu ccb ccc ccd cce cci ccl ccn ccr ccs ccu cdb cdc cdd cde cdi cdl cdn cdr cds cdu ce- ceb cec ced cee cei cel cen cer ces ceu ci- cib cic cid cie cii cil cin cir cis ciu cl- clb clc cld cle cli cll cln clr cls clu cn- cnb cnc cnd cne cni cnl cnn cnr cns cnu crb crc crd cre cri crl crn crr crs cru csb csc csd cse csi csl csn csr css csu cub cuc cud cue cui cul cun cur cus cuu dbb dbc dbd dbe dbi dbl dbn dbr dbs dbu dcb dcc dcd dce dci dcl dcn dcr dcs dcu ddb ddc ddd dde ddi ddl ddn ddr dds ddu de- deb dec ded dee dei del den der des deu di- dib dic did die dii dil din dir dis diu dl- dlb dlc dld dle dli dll dlr dls dlu dnb dnc dnd dne dni dnl dnn dnr dns drb drc drd dre dri drl drn drr drs dru dsb dsc dsd dse dsi dsl dsn dsr dss dsu dub duc dud due dui dul dun dur dus ebb ebc ebd ebe ebi ebl ebn ebr ebs ebu ec- ecb ecc ecd ece eci ecl ecn ecr ecs ecu ed- edb edc edd ede edi edl edn edr eds edu eeb eec eed eee eel een eer ees eib eic eid eie eii eil ein eir eis eiu elb elc eld ele eli ell eln elr els elu en- enb enc end ene eni enl enn enr ens enu erb erc erd ere eri erl ern err ers eru es- esb esc esd ese esi esl esn esr ess esu eu- eub euc eud eue eui eul eun eur eus i-d ibb ibc ibd ibe ibi ibl ibn ibr ibs ibu icb icc icd ice ici icl icn icr ics icu idb idc idd ide idi idl idn idr ids idu ie- iec ied iee iei iel ien ier ies iib iic iid iie iii iil iin iir iis iiu il- ilb ilc ild ile ili ill iln ilr ils ilu in- inb inc ind ine ini inl inn inr ins inu ir- irb irc ird ire iri irl irn irr irs iru is- isb isc isd ise isi isl isn isr iss isu iu- iub iuc iud iue iui iur ius lbb lbc lbd lbe lbi lbl lbr lbs lbu lcb lcc lcd lce lci lcl lcn lcr lcs lcu ldb ldc ldd lde ldi ldl ldn ldr lds ldu leb lec led lee lei lel len ler les leu lib lic lid lie lii lil lin lir lis liu llb llc lld lle lli lll lln llr lls llu lnb lnc lnd lne lni lnl lnn lnr lns lnu lrb lrc lrd lri lrn lrr lrs lru lsb lsc lsd lse lsi lsl lsn lsr lss lsu lub luc lud lue lui lul lun lur lus luu n-i nbb nbc nbd nbe nbi nbl nbn nbr nbs nbu ncb ncc ncd nce nci ncl ncn ncr ncs ncu ndb ndc ndd nde ndi ndl ndn ndr nds ndu ne- neb nec ned nee nei nel nen ner nes neu nib nic nid nie nii nil nin nir nis niu nlb nlc nld nle nli nll nln nlr nls nlu nnb nnc nne nni nnl nnn nns nnu nrb nrc nrd nre nri nrl nrn nrr nrs nru nsb nsc nsd nse nsi nsl nsn nsr nss nsu nub nuc nud nue nui nul nun nur nus nuu rbb rbc rbd rbe rbi rbl rbn rbr rbs rbu rcb rcc rcd rce rci rcl rcn rcr rcs rcu rdb rdc rdd rde rdi rdl rdn rdr rds rdu re- reb rec red ree rei rel ren rer res reu rib ric rid rie rii ril rin rir ris rlc rld rle rli rll rln rlr rls rlu rnb rnc rnd rni rnn rnr rns rnu rrb rrc rrd rri rrl rrn rrr rrs rru rsb rsc rsd rse rsi rsl rsn rsr rss rsu rub ruc rud rue rui run rur rus ruu sbb sbc sbd sbe sbi sbl sbn sbr sbs sbu scb scc scd sce sci scl scn scr scs scu sdb sdc sdd sde sdi sdl sdn sdr sds sdu se- seb sec sed see sei sel sen ser ses seu sib sic sid sie sii sil sin sir sis siu slb slc sld sle sli sll sln slr sls slu snb snc snd sne sni snl snn snr sns snu sr- srb src srd sre sri srl srn srr srs ss- ssb ssc ssd sse ssi ssl ssn ssr sss ssu sub suc sud sue sui sul sun sur sus suu ubb ubc ube ubi ubl ubn ubr ubs ubu ucb ucc ucd uce uci ucl ucn ucr ucs ucu udb udc udd ude udi udl udn udr uds udu ueb uec ued uee uei uel uen uer ues uib uic uid uie uii uil uin uir uis uiu ulb ulc uld ule uli ull uln ulr uls ulu un- unb unc und une uni unl unn unr uns unu ur- urb urc urd ure uri url urn urr urs uru usb usc usd use usi usl usn usr uss usu uuc uue uun uur