-er -ic b-u bbb bbc bbe bbi bbl bbn bbr bbs bbt bbu bcb bcc bce bci bcl bcn bcr bcs bct bcu be- beb bec bee bei bel ben ber bes bet beu bi- bib bic bie bii bil bin bir bis bit biu blb blc ble bli bll bln blr bls blt blu bnb bnc bne bni bnl bnn bnr bns bnt bnu brb bre bri brl brn brr brs brt bru bsb bsc bse bsi bsl bsn bsr bss bst bsu btb btc bte bti btl btn btr bts btt btu bub buc bue bui bul bun bur bus but buu c-- cbb cbc cbe cbi cbl cbn cbr cbs cbt cbu ccb ccc cce cci ccl ccn ccr ccs cct ccu ce- ceb cec cee cei cel cen cer ces cet ceu ci- cib cic cie cii cil cin cir cis cit ciu cl- clb clc cle cli cll cln clr cls clt clu cn- cnb cnc cne cni cnl cnn cnr cns cnt cnu crb crc cre cri crl crn crr crs crt cru csb csc cse csi csl csn csr css cst csu ctb ctc cte cti ctl ctn ctr cts ctt ctu cub cuc cue cui cul cun cur cus cut cuu ebb ebc ebe ebi ebl ebn ebr ebs ebt ebu ec- ecb ecc ece eci ecl ecn ecr ecs ect ecu eeb eec eee eel een eer ees eet eib eic eie eii eil ein eir eis eit eiu elb elc ele eli ell eln elr els elt elu en- enb enc ene eni enl enn enr ens ent enu erb erc ere eri erl ern err ers ert eru es- esb esc ese esi esl esn esr ess est esu etb etc ete eti etl etn etr ets ett etu eu- eub euc eue eui eul eun eur eus eut ibb ibc ibe ibi ibl ibn ibr ibs ibt ibu icb icc ice ici icl icn icr ics ict icu ie- iec iee iei iel ien ier ies iet iib iic iie iii iil iin iir iis iit iiu il- ilb ilc ile ili ill iln ilr ils ilt ilu in- inb inc ine ini inl inn inr ins int inu ir- irb irc ire iri irl irn irr irs irt iru is- isb isc ise isi isl isn isr iss ist isu itb itc ite iti itl itn its itt itu iu- iub iuc iue iui iur ius iut lbb lbc lbe lbi lbl lbr lbs lbt lbu lcb lcc lce lci lcl lcn lcr lcs lct lcu leb lec lee lei lel len ler les let leu lib lic lie lii lil lin lir lis lit liu llb llc lle lli lll lln llr lls llt llu lnb lnc lne lni lnl lnn lnr lns lnt lnu lrb lrc lri lrn lrr lrs lrt lru lsb lsc lse lsi lsl lsn lsr lss lst lsu ltb ltc lte lti ltl ltr lts ltt ltu lub luc lue lui lul lun lur lus lut luu n-i nbb nbc nbe nbi nbl nbn nbr nbs nbt nbu ncb ncc nce nci ncl ncn ncr ncs nct ncu ne- neb nec nee nei nel nen ner nes net neu nib nic nie nii nil nin nir nis nit niu nlb nlc nle nli nll nln nlr nls nlt nlu nnb nnc nne nni nnl nnn nns nnt nnu nrb nrc nre nri nrl nrn nrr nrs nrt nru nsb nsc nse nsi nsl nsn nsr nss nst nsu ntb ntc nte nti ntn ntr nts ntt ntu nub nuc nue nui nul nun nur nus nut nuu rbb rbc rbe rbi rbl rbn rbr rbs rbt rbu rcb rcc rce rci rcl rcn rcr rcs rct rcu re- reb rec ree rei rel ren rer res ret reu rib ric rie rii ril rin rir ris rit rlc rle rli rll rln rlr rls rlt rlu rnb rnc rni rnn rnr rns rnt rnu rrb rrc rri rrl rrn rrr rrs rrt rru rsb rsc rse rsi rsl rsn rsr rss rst rsu rtb rtc rte rti rtl rtn rtr rts rtt rtu rub ruc rue rui run rur rus rut ruu sbb sbc sbe sbi sbl sbn sbr sbs sbt sbu scb scc sce sci scl scn scr scs sct scu se- seb sec see sei sel sen ser ses set seu sib sic sie sii sil sin sir sis sit siu slb slc sle sli sll sln slr sls slt slu snb snc sne sni snl snn snr sns snt snu sr- srb src sre sri srl srn srr srs srt ss- ssb ssc sse ssi ssl ssn ssr sss sst ssu stb stc ste sti stl stn str sts stt stu sub suc sue sui sul sun sur sus sut suu tbb tbc tbe tbi tbl tbn tbr tbs tbt tbu tcb tcc tce tci tcl tcn tcr tcs tct tcu te- teb tec tee tei tel ten ter tes tet teu tib tic tie tii til tin tir tis tit tiu tlc tle tli tll tln tlr tls tlt tlu tnb tnc tne tni tnl tnn tnr tns tnt trb trc tre tri trl trn trr trs trt tru tsb tsc tse tsi tsl tsn tsr tss tst tsu ttb ttc tte tti ttl ttn ttr tts ttt ttu tub tuc tue tui tul tun tur tus tut tuu ubb ubc ube ubi ubl ubn ubr ubs ubt ubu ucb ucc uce uci ucl ucn ucr ucs uct ucu ueb uec uee uei uel uen uer ues uet uib uic uie uii uil uin uir uis uit uiu ulb ulc ule uli ull uln ulr uls ult ulu un- unb unc une uni unl unn unr uns unt unu ur- urb urc ure uri url urn urr urs urt uru usb usc use usi usl usn usr uss ust usu utb utc ute uti utl utn utr uts utt utu uuc uue uun uur uus uut uuu