-er -ic b-u bbb bbc bbe bbg bbi bbm bbn bbr bbs bbu bcb bcc bce bcg bci bcm bcn bcr bcs bcu be- beb bec bee beg bei bem ben ber bes beu bgb bgc bge bgg bgi bgm bgn bgr bgs bgu bi- bib bic bie big bii bim bin bir bis biu bmb bmc bme bmg bmi bmm bmn bmr bms bmu bnb bnc bne bng bni bnn bnr bns bnu brb bre brg bri brm brn brr brs bru bsb bsc bse bsg bsi bsm bsn bsr bss bsu bub buc bue bug bui bum bun bur bus buu c-- cbb cbc cbe cbg cbi cbm cbn cbr cbs cbu ccb ccc cce ccg cci ccm ccn ccr ccs ccu ce- ceb cec cee ceg cei cem cen cer ces ceu cgb cgc cge cgg cgi cgm cgn cgr cgs cgu ci- cib cic cie cig cii cim cin cir cis ciu cmb cmc cme cmg cmi cmm cmn cmr cms cmu cn- cnb cnc cne cng cni cnm cnn cnr cns cnu crb crc cre crg cri crm crn crr crs cru csb csc cse csg csi csm csn csr css csu cub cuc cue cug cui cum cun cur cus cuu ebb ebc ebe ebg ebi ebm ebn ebr ebs ebu ec- ecb ecc ece ecg eci ecm ecn ecr ecs ecu eeb eec eee eeg eem een eer ees egb egc ege egg egi egm egn egr egs egu eib eic eie eig eii eim ein eir eis eiu em- emb emc eme emg emi emm emn emr ems emu en- enb enc ene eng eni enm enn enr ens enu erb erc ere erg eri erm ern err ers eru es- esb esc ese esg esi esm esn esr ess esu eu- eub euc eue eug eui eun eur eus gbc gbe gbg gbi gbm gbn gbr gbs gbu gcb gcc gce gcg gci gcm gcn gcr gcs gcu ge- geb gec gee geg gei gem gen ger ges geu ggb ggc ggg ggi ggm ggn ggr ggs ggu gib gic gie gig gii gim gin gir gis giu gmb gmc gme gmg gmi gmm gmn gmr gms gnb gnc gne gni gnm gnn gnr gns gnu grb grc gre grg gri grm grn grr grs gru gsb gsc gse gsg gsi gsm gsn gsr gss gsu gu- gub guc gue gug gui gum gun gur gus guu ibb ibc ibe ibg ibi ibm ibn ibr ibs ibu icb icc ice icg ici icm icn icr ics icu ie- iec iee ieg iei iem ien ier ies igb igc ige igg igi igm ign igr igs igu iib iic iie iii iim iin iir iis iiu im- imb imc ime img imi imm imn ims imu in- inb inc ine ing ini inm inn inr ins inu ir- irb irc ire irg iri irm irn irr irs iru is- isb isc ise isg isi ism isn isr iss isu iu- iub iuc iue iug iui ium iur ius m-r mbb mbc mbe mbg mbi mbm mbr mbs mbu mc- mcb mcc mce mcg mci mcm mcn mcr mcs mcu meb mec mee meg mei mem men mer mes meu mgb mgc mge mgi mgm mgn mgr mgs mgu mi- mib mic mie mig mii mim min mir mis miu mmb mmc mme mmg mmi mmm mmn mmr mms mmu mnb mnc mne mng mni mnm mnn mnr mns mnu mrb mrc mre mrg mri mrm mrn mrr mrs mru msb msc mse msg msi msm msn msr mss msu mub muc mue mug mui mum mun mur mus muu n-i nbb nbc nbe nbg nbi nbm nbn nbr nbs nbu ncb ncc nce ncg nci ncm ncn ncr ncs ncu ne- neb nec nee neg nei nem nen ner nes neu ngb ngc nge ngg ngi ngm ngn ngs ngu nib nic nie nig nii nim nin nir nis niu nmb nmc nme nmg nmi nmm nmn nmr nms nmu nnb nnc nne nng nni nnm nnn nns nnu nrb nrc nre nrg nri nrm nrn nrr nrs nru nsb nsc nse nsg nsi nsm nsn nsr nss nsu nub nuc nue nug nui num nun nur nus nuu rbb rbc rbe rbg rbi rbm rbn rbr rbs rbu rcb rcc rce rcg rci rcm rcn rcr rcs rcu re- reb rec ree reg rei rem ren rer res reu rgb rgc rge rgg rgi rgn rgr rgs rib ric rie rig rii rim rin rir ris rmb rmc rme rmg rmi rmm rmn rmr rms rnb rnc rng rni rnm rnn rnr rns rnu rrb rrc rrg rri rrm rrn rrr rrs rru rsb rsc rse rsg rsi rsm rsn rsr rss rsu rub ruc rue rug rui rum run rur rus ruu sbb sbc sbe sbg sbi sbm sbn sbr sbs sbu scb scc sce scg sci scm scn scr scs scu se- seb sec see seg sei sem sen ser ses seu sgb sgc sge sgg sgi sgm sgn sgr sgs sgu sib sic sie sig sii sim sin sir sis siu smb smc sme smg smi smm smn smr sms smu snb snc sne sng sni snm snn snr sns snu sr- srb src sre srg sri srm srn srr srs ss- ssb ssc sse ssg ssi ssm ssn ssr sss ssu sub suc sue sug sui sum sun sur sus suu ubb ubc ube ubg ubi ubn ubr ubs ubu ucb ucc uce ucg uci ucm ucn ucr ucs ucu ueb uec uee ueg uei uem uen uer ues ugb ugc uge ugg ugi ugm ugn ugr ugs ugu uib uic uie uig uii uim uin uir uis uiu um- umb umc ume umg umi umm umn umr ums umu un- unb unc une ung uni unm unn unr uns unu ur- urb urc ure urg uri urm urn urr urs uru usb usc use usg usi usm usn usr uss usu uuc uue uug uum uun