-er -ic b-u bbb bbc bbe bbi bbm bbn bbo bbr bbs bbu bcb bcc bce bci bcm bcn bco bcr bcs bcu be- beb bec bee bei bem ben beo ber bes beu bi- bib bic bie bii bim bin bio bir bis biu bmb bmc bme bmi bmm bmn bmo bmr bms bmu bnb bnc bne bni bnn bno bnr bns bnu bob boc boe boi bom bon boo bor bos bou brb bre bri brm brn bro brr brs bru bsb bsc bse bsi bsm bsn bso bsr bss bsu bub buc bue bui bum bun buo bur bus buu c-- cbb cbc cbe cbi cbm cbn cbo cbr cbs cbu ccb ccc cce cci ccm ccn cco ccr ccs ccu ce- ceb cec cee cei cem cen ceo cer ces ceu ci- cib cic cie cii cim cin cio cir cis ciu cmb cmc cme cmi cmm cmn cmo cmr cms cmu cn- cnb cnc cne cni cnm cnn cno cnr cns cnu co- cob coc coe coi com con coo cor cos cou crb crc cre cri crm crn cro crr crs cru csb csc cse csi csm csn cso csr css csu cub cuc cue cui cum cun cuo cur cus cuu ebb ebc ebe ebi ebm ebn ebo ebr ebs ebu ec- ecb ecc ece eci ecm ecn eco ecr ecs ecu eeb eec eee eem een eeo eer ees eib eic eie eii eim ein eio eir eis eiu em- emb emc eme emi emm emn emo emr ems emu en- enb enc ene eni enm enn eno enr ens enu eo- eob eoc eoe eoi eom eon eoo eor eos eou erb erc ere eri erm ern ero err ers eru es- esb esc ese esi esm esn eso esr ess esu eu- eub euc eue eui eun eur eus ibb ibc ibe ibi ibm ibn ibo ibr ibs ibu icb icc ice ici icm icn ico icr ics icu ie- iec iee iei iem ien ier ies iib iic iie iii iim iin iio iir iis iiu im- imb imc ime imi imm imn imo ims imu in- inb inc ine ini inm inn ino inr ins inu io- iob ioc ioe ioi iom ion ioo ior ios iou ir- irb irc ire iri irm irn iro irr irs iru is- isb isc ise isi ism isn iso isr iss isu iu- iub iuc iue iui ium iur ius m-o m-r mbb mbc mbe mbi mbm mbo mbr mbs mbu mc- mcb mcc mce mci mcm mcn mco mcr mcs mcu meb mec mee mei mem men meo mer mes meu mi- mib mic mie mii mim min mio mir mis miu mmb mmc mme mmi mmm mmn mmo mmr mms mmu mnb mnc mne mni mnm mnn mno mnr mns mnu mob moc moe moi mom mon moo mor mos mou mrb mrc mre mri mrm mrn mro mrr mrs mru msb msc mse msi msm msn mso msr mss msu mub muc mue mui mum mun mur mus muu n-i nbb nbc nbe nbi nbm nbn nbo nbr nbs nbu ncb ncc nce nci ncm ncn nco ncr ncs ncu ne- neb nec nee nei nem nen neo ner nes neu nib nic nie nii nim nin nio nir nis niu nmb nmc nme nmi nmm nmn nmo nmr nms nmu nnb nnc nne nni nnm nnn nno nns nnu no- nob noc noe noi nom non noo nor nos nou nrb nrc nre nri nrm nrn nro nrr nrs nru nsb nsc nse nsi nsm nsn nso nsr nss nsu nub nuc nue nui num nun nuo nur nus nuu o-i ob- obb obc obe obi obm obn obo obr obs obu oc- ocb occ oci ocm ocn oco ocr ocs ocu oeb oec oee oei oem oen oeo oer oes oib oic oie oii oim oin oio oir ois oiu om- omb omc ome omi omm omn omo omr oms omu on- onb onc one oni onn ono onr ons onu oo- oob ooc ooi oom oon ooo oor oos or- orb orc ore ori orm orn oro orr ors oru os- osb osc ose osi osm osn oso osr oss osu ou- ouc oue oui oum oun ouo our ous rbb rbc rbe rbi rbm rbn rbo rbr rbs rbu rcb rcc rce rci rcm rcn rco rcr rcs rcu re- reb rec ree rei rem ren reo rer res reu rib ric rie rii rim rin rio rir ris rmb rmc rme rmi rmm rmn rmo rmr rms rnb rnc rni rnm rnn rno rnr rns rnu rob roc roe roi rom ron roo ror ros rou rrb rrc rri rrm rrn rrr rrs rru rsb rsc rse rsi rsm rsn rso rsr rss rsu rub ruc rue rui rum run ruo rur rus ruu sbb sbc sbe sbi sbm sbn sbo sbr sbs sbu scb scc sce sci scm scn sco scr scs scu se- seb sec see sei sem sen seo ser ses seu sib sic sie sii sim sin sio sir sis siu smb smc sme smi smm smn smo smr sms smu snb snc sne sni snm snn sno snr sns snu sob soc soe soi som son soo sor sos sou sr- srb src sre sri srm srn sro srr srs ss- ssb ssc sse ssi ssm ssn sso ssr sss ssu sub suc sue sui sum sun suo sur sus suu ubb ubc ube ubi ubn ubo ubr ubs ubu ucb ucc uce uci ucm ucn uco ucr ucs ucu ueb uec uee uei uem uen uer ues uib uic uie uii uim uin uio uir uis uiu um- umb umc ume umi umm umn umo umr ums umu un- unb unc une uni unm unn uno unr uns unu uob uoc uoe uom uon uoo uor uos ur- urb urc ure uri urm urn uro urr urs uru usb usc use usi usm usn uso usr uss