-er -ic b-u bbb bbc bbd bbe bbi bbl bbn bbr bbs bbt bbu bcb bcc bcd bce bci bcl bcn bcr bcs bct bcu bdb bdc bdd bde bdi bdl bdr bds bdt bdu be- beb bec bed bee bei bel ben ber bes bet beu bi- bib bic bid bie bii bil bin bir bis bit biu blb blc bld ble bli bll bln blr bls blt blu bnb bnc bnd bne bni bnl bnn bnr bns bnt bnu brb brd bre bri brl brn brr brs brt bru bsb bsc bsd bse bsi bsl bsn bsr bss bst bsu btb btc btd bte bti btl btn btr bts btt btu bub buc bud bue bui bul bun bur bus but buu c-- cbb cbc cbd cbe cbi cbl cbn cbr cbs cbt cbu ccb ccc ccd cce cci ccl ccn ccr ccs cct ccu cdb cdc cdd cde cdi cdl cdn cdr cds cdt cdu ce- ceb cec ced cee cei cel cen cer ces cet ceu ci- cib cic cid cie cii cil cin cir cis cit ciu cl- clb clc cld cle cli cll cln clr cls clt clu cn- cnb cnc cnd cne cni cnl cnn cnr cns cnt cnu crb crc crd cre cri crl crn crr crs crt cru csb csc csd cse csi csl csn csr css cst csu ctb ctc ctd cte cti ctl ctn ctr cts ctt ctu cub cuc cud cue cui cul cun cur cus cut cuu dbb dbc dbd dbe dbi dbl dbn dbr dbs dbt dbu dcb dcc dcd dce dci dcl dcn dcr dcs dct dcu ddb ddc ddd dde ddi ddl ddn ddr dds ddt ddu de- deb dec ded dee dei del den der des det deu di- dib dic did die dii dil din dir dis dit diu dl- dlb dlc dld dle dli dll dlr dls dlt dlu dnb dnc dnd dne dni dnl dnn dnr dns dnt drb drc drd dre dri drl drn drr drs drt dru dsb dsc dsd dse dsi dsl dsn dsr dss dst dsu dtb dtc dtd dte dti dtl dtn dtr dts dtt dtu dub duc dud due dui dul dun dur dus dut ebb ebc ebd ebe ebi ebl ebn ebr ebs ebt ebu ec- ecb ecc ecd ece eci ecl ecn ecr ecs ect ecu ed- edb edc edd ede edi edl edn edr eds edt edu eeb eec eed eee eel een eer ees eet eib eic eid eie eii eil ein eir eis eit eiu elb elc eld ele eli ell eln elr els elt elu en- enb enc end ene eni enl enn enr ens ent enu erb erc erd ere eri erl ern err ers ert eru es- esb esc esd ese esi esl esn esr ess est esu etb etc etd ete eti etl etn etr ets ett etu eu- eub euc eud eue eui eul eun eur eus eut i-d ibb ibc ibd ibe ibi ibl ibn ibr ibs ibt ibu icb icc icd ice ici icl icn icr ics ict icu idb idc idd ide idi idl idn idr ids idt idu ie- iec ied iee iei iel ien ier ies iet iib iic iid iie iii iil iin iir iis iit iiu il- ilb ilc ild ile ili ill iln ilr ils ilt ilu in- inb inc ind ine ini inl inn inr ins int inu ir- irb irc ird ire iri irl irn irr irs irt iru is- isb isc isd ise isi isl isn isr iss ist isu itb itc itd ite iti itl itn its itt itu iu- iub iuc iud iue iui iur ius iut lbb lbc lbd lbe lbi lbl lbr lbs lbt lbu lcb lcc lcd lce lci lcl lcn lcr lcs lct lcu ldb ldc ldd lde ldi ldl ldn ldr lds ldt ldu leb lec led lee lei lel len ler les let leu lib lic lid lie lii lil lin lir lis lit liu llb llc lld lle lli lll lln llr lls llt llu lnb lnc lnd lne lni lnl lnn lnr lns lnt lnu lrb lrc lrd lri lrn lrr lrs lrt lru lsb lsc lsd lse lsi lsl lsn lsr lss lst lsu ltb ltc ltd lte lti ltl ltr lts ltt ltu lub luc lud lue lui lul lun lur lus lut luu n-i nbb nbc nbd nbe nbi nbl nbn nbr nbs nbt nbu ncb ncc ncd nce nci ncl ncn ncr ncs nct ncu ndb ndc ndd nde ndi ndl ndn ndr nds ndt ndu ne- neb nec ned nee nei nel nen ner nes net neu nib nic nid nie nii nil nin nir nis nit niu nlb nlc nld nle nli nll nln nlr nls nlt nlu nnb nnc nne nni nnl nnn nns nnt nnu nrb nrc nrd nre nri nrl nrn nrr nrs nrt nru nsb nsc nsd nse nsi nsl nsn nsr nss nst nsu ntb ntc ntd nte nti ntn ntr nts ntt ntu nub nuc nud nue nui nul nun nur nus nut nuu rbb rbc rbd rbe rbi rbl rbn rbr rbs rbt rbu rcb rcc rcd rce rci rcl rcn rcr rcs rct rcu rdb rdc rdd rde rdi rdl rdn rdr rds rdt rdu re- reb rec red ree rei rel ren rer res ret reu rib ric rid rie rii ril rin rir ris rit rlc rld rle rli rll rln rlr rls rlt rlu rnb rnc rnd rni rnn rnr rns rnt rnu rrb rrc rrd rri rrl rrn rrr rrs rrt rru rsb rsc rsd rse rsi rsl rsn rsr rss rst rsu rtb rtc rtd rte rti rtl rtn rtr rts rtt rtu rub ruc rud rue rui run rur rus rut ruu sbb sbc sbd sbe sbi sbl sbn sbr sbs sbt sbu scb scc scd sce sci scl scn scr scs sct scu sdb sdc sdd sde sdi sdl sdn sdr sds