-er -ic b-u bbb bbc bbe bbi bbm bbn bbo bbr bbs bbt bbu bcb bcc bce bci bcm bcn bco bcr bcs bct bcu be- beb bec bee bei bem ben beo ber bes bet beu bi- bib bic bie bii bim bin bio bir bis bit biu bmb bmc bme bmi bmm bmn bmo bmr bms bmt bmu bnb bnc bne bni bnn bno bnr bns bnt bnu bob boc boe boi bom bon boo bor bos bot bou brb bre bri brm brn bro brr brs brt bru bsb bsc bse bsi bsm bsn bso bsr bss bst bsu btb btc bte bti btm btn bto btr bts btt btu bub buc bue bui bum bun buo bur bus but buu c-- cbb cbc cbe cbi cbm cbn cbo cbr cbs cbt cbu ccb ccc cce cci ccm ccn cco ccr ccs cct ccu ce- ceb cec cee cei cem cen ceo cer ces cet ceu ci- cib cic cie cii cim cin cio cir cis cit ciu cmb cmc cme cmi cmm cmn cmo cmr cms cmt cmu cn- cnb cnc cne cni cnm cnn cno cnr cns cnt cnu co- cob coc coe coi com con coo cor cos cot cou crb crc cre cri crm crn cro crr crs crt cru csb csc cse csi csm csn cso csr css cst csu ctb ctc cte cti ctm ctn cto ctr cts ctt ctu cub cuc cue cui cum cun cuo cur cus cut cuu ebb ebc ebe ebi ebm ebn ebo ebr ebs ebt ebu ec- ecb ecc ece eci ecm ecn eco ecr ecs ect ecu eeb eec eee eem een eeo eer ees eet eib eic eie eii eim ein eio eir eis eit eiu em- emb emc eme emi emm emn emo emr ems emt emu en- enb enc ene eni enm enn eno enr ens ent enu eo- eob eoc eoe eoi eom eon eoo eor eos eot eou erb erc ere eri erm ern ero err ers ert eru es- esb esc ese esi esm esn eso esr ess est esu etb etc ete eti etm etn eto etr ets ett etu eu- eub euc eue eui eun eur eus eut ibb ibc ibe ibi ibm ibn ibo ibr ibs ibt ibu icb icc ice ici icm icn ico icr ics ict icu ie- iec iee iei iem ien ier ies iet iib iic iie iii iim iin iio iir iis iit iiu im- imb imc ime imi imm imn imo ims imt imu in- inb inc ine ini inm inn ino inr ins int inu io- iob ioc ioe ioi iom ion ioo ior ios iot iou ir- irb irc ire iri irm irn iro irr irs irt iru is- isb isc ise isi ism isn iso isr iss ist isu itb itc ite iti itm itn ito its itt itu iu- iub iuc iue iui ium iur ius iut m-o m-r mbb mbc mbe mbi mbm mbo mbr mbs mbt mbu mc- mcb mcc mce mci mcm mcn mco mcr mcs mct mcu meb mec mee mei mem men meo mer mes met meu mi- mib mic mie mii mim min mio mir mis mit miu mmb mmc mme mmi mmm mmn mmo mmr mms mmt mmu mnb mnc mne mni mnm mnn mno mnr mns mnt mnu mob moc moe moi mom mon moo mor mos mot mou mrb mrc mre mri mrm mrn mro mrr mrs mrt mru msb msc mse msi msm msn mso msr mss mst msu mtb mtc mte mti mtm mtn mto mtr mts mtt mtu mub muc mue mui mum mun mur mus mut muu n-i nbb nbc nbe nbi nbm nbn nbo nbr nbs nbt nbu ncb ncc nce nci ncm ncn nco ncr ncs nct ncu ne- neb nec nee nei nem nen neo ner nes net neu nib nic nie nii nim nin nio nir nis nit niu nmb nmc nme nmi nmm nmn nmo nmr nms nmt nmu nnb nnc nne nni nnm nnn nno nns nnt nnu no- nob noc noe noi nom non noo nor nos not nou nrb nrc nre nri nrm nrn nro nrr nrs nrt nru nsb nsc nse nsi nsm nsn nso nsr nss nst nsu ntb ntc nte nti ntm ntn nto ntr nts ntt ntu nub nuc nue nui num nun nuo nur nus nut nuu o-i ob- obb obc obe obi obm obn obo obr obs obt obu oc- ocb occ oci ocm ocn oco ocr ocs oct ocu oeb oec oee oei oem oen oeo oer oes oet oib oic oie oii oim oin oio oir ois oit oiu om- omb omc ome omi omm omn omo omr oms omt omu on- onb onc one oni onn ono onr ons ont onu oo- oob ooc ooi oom oon ooo oor oos oot or- orb orc ore ori orm orn oro orr ors ort oru os- osb osc ose osi osm osn oso osr oss ost osu ot- otb otc ote oti otm otn oto otr ots ott otu ou- ouc oue oui oum oun ouo our ous out rbb rbc rbe rbi rbm rbn rbo rbr rbs rbt rbu rcb rcc rce rci rcm rcn rco rcr rcs rct rcu re- reb rec ree rei rem ren reo rer res ret reu rib ric rie rii rim rin rio rir ris rit rmb rmc rme rmi rmm rmn rmo rmr rms rmt rnb rnc rni rnm rnn rno rnr rns rnt rnu rob roc roe roi rom ron roo ror ros rot rou rrb rrc rri rrm rrn rrr rrs rrt rru rsb rsc rse rsi rsm rsn rso rsr rss rst rsu rtb rtc rte rti rtm rtn rto rtr rts rtt rtu rub ruc rue rui rum run ruo rur rus rut ruu sbb sbc sbe sbi sbm sbn sbo sbr sbs sbt sbu scb scc sce sci scm scn sco scr scs sct