-er -ic b-u bbb bbc bbe bbg bbh bbi bbk bbn bbr bbs bbu bcb bcc bce bcg bch bci bck bcn bcr bcs bcu be- beb bec bee beg beh bei bek ben ber bes beu bgb bgc bge bgg bgh bgi bgk bgn bgr bgs bgu bhb bhc bhe bhg bhh bhi bhk bhr bhs bhu bi- bib bic bie big bih bii bik bin bir bis biu bkb bkc bke bkg bkk bkn bkr bks bnb bnc bne bng bni bnk bnn bnr bns bnu brb bre brg brh bri brk brn brr brs bru bsb bsc bse bsg bsh bsi bsk bsn bsr bss bsu bub buc bue bug buh bui buk bun bur bus buu c-- cbb cbc cbe cbg cbh cbi cbk cbn cbr cbs cbu ccb ccc cce ccg cch cci cck ccn ccr ccs ccu ce- ceb cec cee ceg ceh cei cek cen cer ces ceu cgb cgc cge cgg cgh cgi cgn cgr cgs cgu ch- chb chc che chg chh chi chk chn chr chs chu ci- cib cic cie cig cih cii cik cin cir cis ciu ckb ckc ckh cki cks cn- cnb cnc cne cng cnh cni cnn cnr cns cnu crb crc cre crg crh cri crk crn crr crs cru csb csc cse csg csh csi csk csn csr css csu cub cuc cue cug cuh cui cuk cun cur cus cuu ebb ebc ebe ebg ebh ebi ebk ebn ebr ebs ebu ec- ecb ecc ece ecg ech eci eck ecn ecr ecs ecu eeb eec eee eeg eek een eer ees egb egc ege egg egh egi egn egr egs egu ehb ehc ehe ehg ehh ehi ehn ehr ehs ehu eib eic eie eig eii eik ein eir eis eiu ekb ekc eke ekg ekh eki ekr eks eku en- enb enc ene eng enh eni enk enn enr ens enu erb erc ere erg erh eri erk ern err ers eru es- esb esc ese esg esh esi esk esn esr ess esu eu- eub euc eue eug eui eun eur eus gbc gbe gbg gbh gbi gbk gbn gbr gbs gbu gcb gcc gce gcg gch gci gck gcn gcr gcs gcu ge- geb gec gee geg geh gei gek gen ger ges geu ggb ggc ggg ggh ggi ggn ggr ggs ggu ghb ghc ghe ghg ghh ghi ghn ghr ghs gib gic gie gig gih gii gik gin gir gis giu gkb gkh gkn gks gnb gnc gne gni gnn gnr gns gnu grb grc gre grg grh gri grk grn grr grs gru gsb gsc gse gsg gsi gsk gsn gsr gss gsu gu- gub guc gue gug gui guk gun gur gus guu h-i hbb hbc hbe hbg hbh hbi hbk hbn hbr hbs hbu hcb hcc hce hcg hch hci hck hcn hcr hcs he- heb hec hee heg heh hei hek hen her hes heu hgb hgc hge hgg hgh hgi hgk hgn hgr hgs hgu hhb hhc hhe hhg hhh hhi hhk hhn hhr hhs hhu hib hic hie hig hih hii hik hin hir his hiu hkb hkg hkh hki hkk hkn hkr hks hku hnb hnc hne hng hnh hnk hnn hns hnu hr- hrb hrc hre hrg hrh hri hrk hrn hrr hrs hru hsb hsc hse hsg hsh hsi hsk hsn hsr hss hsu hub huc hue hug huh hui huk hun hur hus huu ibb ibc ibe ibg ibh ibi ibk ibn ibr ibs ibu icb icc ice icg ich ici ick icn icr ics icu ie- iec iee ieg iei iek ien ier ies igb igc ige igg igh igi igk ign igr igs igu ihb ihc ihe ihg ihh ihi ihk ihn ihr ihs ihu iib iic iie iih iii iin iir iis iiu ikb ikc ike iki ikk ikr iks iku in- inb inc ine ing inh ini ink inn inr ins inu ir- irb irc ire irg iri irk irn irr irs iru is- isb isc ise isg ish isi isk isn isr iss isu iu- iub iuc iue iug iui iur ius kbb kbc kbe kbh kbi kbk kbn kbr kbs kbu kcb kcc kce kcg kch kci kck kcn kcr kcs kcu ke- keb kec kee keg keh kei kek ken ker kes kgb kgc kgh kgi kgs kgu khe khh khi khk khn khr khs khu kib kic kie kig kih kii kik kin kir kis kiu kkb kkc kke kkh kki kkk kkn kkr kks kku kn- knc kne kng kni knk knn knr knu krc krg kri krk krn krr krs kru ksb ksc kse ksg ksh ksi ksk ksn ksr kss ksu kub kuc kue kug kuh kui kuk kun kur kus kuu n-i nbb nbc nbe nbg nbi nbk nbn nbr nbs nbu ncb ncc nce ncg nch nci nck ncn ncr ncs ncu ne- neb nec nee neg neh nei nek nen ner nes neu ngb ngc nge ngg ngh ngi ngk ngn ngs ngu nhb nhc nhe nhg nhh nhi nhk nhn nhr nhs nhu nib nic nie nig nih nii nik nin nir nis niu nkc nke nki nkk nkn nkr nks nku nnb nnc nne nng nnh nni nnk nnn nns nnu nrb nrc nre nrg nri nrk nrn nrr nrs nru nsb nsc nse nsg nsh nsi nsk nsn nsr nss nsu nub nuc nue nug nuh nui nuk nun nur nus nuu rbb rbc rbe rbg rbh rbi rbk rbn rbr rbs rbu rcb rcc rce rcg rch rci rcn rcr rcs rcu re- reb rec ree reg reh rei rek ren rer res reu rgb rgc rge rgg rgh rgi rgk rgn rgr rgs rh- rhb rhc rhe rhg rhh rhi rhn rhr rhs rhu rib ric rie rig rih rii rik rin rir ris rkb rkc rke rkg rkk rks rku rnb rnc rng rnh rni rnn rnr rns rnu rrb rrc rrg rrh rri rrk rrn rrr