-er -ic b-u bbb bbc bbe bbi bbl bbm bbn bbr bbs bbu bcb bcc bce bci bcl bcm bcn bcr bcs bcu be- beb bec bee bei bel bem ben ber bes beu bi- bib bic bie bii bil bim bin bir bis biu blb blc ble bli bll blm bln blr bls blu bmb bmc bme bmi bml bmm bmn bmr bms bmu bnb bnc bne bni bnl bnn bnr bns bnu brb bre bri brl brm brn brr brs bru bsb bsc bse bsi bsl bsm bsn bsr bss bsu bub buc bue bui bul bum bun bur bus buu c-- cbb cbc cbe cbi cbl cbm cbn cbr cbs cbu ccb ccc cce cci ccl ccm ccn ccr ccs ccu ce- ceb cec cee cei cel cem cen cer ces ceu ci- cib cic cie cii cil cim cin cir cis ciu cl- clb clc cle cli cll clm cln clr cls clu cmb cmc cme cmi cml cmm cmn cmr cms cmu cn- cnb cnc cne cni cnl cnm cnn cnr cns cnu crb crc cre cri crl crm crn crr crs cru csb csc cse csi csl csm csn csr css csu cub cuc cue cui cul cum cun cur cus cuu ebb ebc ebe ebi ebl ebm ebn ebr ebs ebu ec- ecb ecc ece eci ecl ecm ecn ecr ecs ecu eeb eec eee eel eem een eer ees eib eic eie eii eil eim ein eir eis eiu elb elc ele eli ell elm eln elr els elu em- emb emc eme emi eml emm emn emr ems emu en- enb enc ene eni enl enm enn enr ens enu erb erc ere eri erl erm ern err ers eru es- esb esc ese esi esl esm esn esr ess esu eu- eub euc eue eui eul eun eur eus ibb ibc ibe ibi ibl ibm ibn ibr ibs ibu icb icc ice ici icl icm icn icr ics icu ie- iec iee iei iel iem ien ier ies iib iic iie iii iil iim iin iir iis iiu il- ilb ilc ile ili ill ilm iln ilr ils ilu im- imb imc ime imi iml imm imn ims imu in- inb inc ine ini inl inm inn inr ins inu ir- irb irc ire iri irl irm irn irr irs iru is- isb isc ise isi isl ism isn isr iss isu iu- iub iuc iue iui ium iur ius lbb lbc lbe lbi lbl lbm lbr lbs lbu lcb lcc lce lci lcl lcm lcn lcr lcs lcu leb lec lee lei lel lem len ler les leu lib lic lie lii lil lim lin lir lis liu llb llc lle lli lll llm lln llr lls llu lmb lmc lme lmi lml lmm lmn lmr lms lmu lnb lnc lne lni lnl lnm lnn lnr lns lnu lrb lrc lri lrm lrn lrr lrs lru lsb lsc lse lsi lsl lsm lsn lsr lss lsu lub luc lue lui lul lum lun lur lus luu m-r mbb mbc mbe mbi mbl mbm mbr mbs mbu mc- mcb mcc mce mci mcl mcm mcn mcr mcs mcu meb mec mee mei mel mem men mer mes meu mi- mib mic mie mii mil mim min mir mis miu mlb mlc mle mli mll mlm mln mlr mls mlu mmb mmc mme mmi mml mmm mmn mmr mms mmu mnb mnc mne mni mnl mnm mnn mnr mns mnu mrb mrc mre mri mrl mrm mrn mrr mrs mru msb msc mse msi msl msm msn msr mss msu mub muc mue mui mul mum mun mur mus muu n-i nbb nbc nbe nbi nbl nbm nbn nbr nbs nbu ncb ncc nce nci ncl ncm ncn ncr ncs ncu ne- neb nec nee nei nel nem nen ner nes neu nib nic nie nii nil nim nin nir nis niu nlb nlc nle nli nll nlm nln nlr nls nlu nmb nmc nme nmi nml nmm nmn nmr nms nmu nnb nnc nne nni nnl nnm nnn nns nnu nrb nrc nre nri nrl nrm nrn nrr nrs nru nsb nsc nse nsi nsl nsm nsn nsr nss nsu nub nuc nue nui nul num nun nur nus nuu rbb rbc rbe rbi rbl rbm rbn rbr rbs rbu rcb rcc rce rci rcl rcm rcn rcr rcs rcu re- reb rec ree rei rel rem ren rer res reu rib ric rie rii ril rim rin rir ris rlc rle rli rll rlm rln rlr rls rlu rmb rmc rme rmi rml rmm rmn rmr rms rnb rnc rni rnm rnn rnr rns rnu rrb rrc rri rrl rrm rrn rrr rrs rru rsb rsc rse rsi rsl rsm rsn rsr rss rsu rub ruc rue rui rum run rur rus ruu sbb sbc sbe sbi sbl sbm sbn sbr sbs sbu scb scc sce sci scl scm scn scr scs scu se- seb sec see sei sel sem sen ser ses seu sib sic sie sii sil sim sin sir sis siu slb slc sle sli sll slm sln slr sls slu smb smc sme smi sml smm smn smr sms smu snb snc sne sni snl snm snn snr sns snu sr- srb src sre sri srl srm srn srr srs ss- ssb ssc sse ssi ssl ssm ssn ssr sss ssu sub suc sue sui sul sum sun sur sus suu ubb ubc ube ubi ubl ubn ubr ubs ubu ucb ucc uce uci ucl ucm ucn ucr ucs ucu ueb uec uee uei uel uem uen uer ues uib uic uie uii uil uim uin uir uis uiu ulb ulc ule uli ull ulm uln ulr uls ulu um- umb umc ume umi uml umm umn umr ums umu un- unb unc une uni unl unm unn unr uns unu ur- urb urc ure uri url urm urn urr urs uru usb usc use usi usl usm usn usr uss usu uuc uue uum