-er -ic b-u bbb bbc bbe bbg bbh bbi bbn bbr bbu bcb bcc bce bcg bch bci bcn bcr bcu be- beb bec bee beg beh bei ben ber beu bgb bgc bge bgg bgh bgi bgn bgr bgu bhb bhc bhe bhg bhh bhi bhr bhu bi- bib bic bie big bih bii bin bir biu bnb bnc bne bng bni bnn bnr bnu brb bre brg brh bri brn brr bru bub buc bue bug buh bui bun bur buu c-- cbb cbc cbe cbg cbh cbi cbn cbr cbu ccb ccc cce ccg cch cci ccn ccr ccu ce- ceb cec cee ceg ceh cei cen cer ceu cgb cgc cge cgg cgh cgi cgn cgr cgu ch- chb chc che chg chh chi chn chr chu ci- cib cic cie cig cih cii cin cir ciu cn- cnb cnc cne cng cnh cni cnn cnr cnu crb crc cre crg crh cri crn crr cru cub cuc cue cug cuh cui cun cur cuu ebb ebc ebe ebg ebh ebi ebn ebr ebu ec- ecb ecc ece ecg ech eci ecn ecr ecu eeb eec eee eeg een eer egb egc ege egg egh egi egn egr egu ehb ehc ehe ehg ehh ehi ehn ehr ehu eib eic eie eig eii ein eir eiu en- enb enc ene eng enh eni enn enr enu erb erc ere erg erh eri ern err eru eu- eub euc eue eug eui eun eur gbc gbe gbg gbh gbi gbn gbr gbu gcb gcc gce gcg gch gci gcn gcr gcu ge- geb gec gee geg geh gei gen ger geu ggb ggc ggg ggh ggi ggn ggr ggu ghb ghc ghe ghg ghh ghi ghn ghr gib gic gie gig gih gii gin gir giu gnb gnc gne gni gnn gnr gnu grb grc gre grg grh gri grn grr gru gu- gub guc gue gug gui gun gur guu h-i hbb hbc hbe hbg hbh hbi hbn hbr hbu hcb hcc hce hcg hch hci hcn hcr he- heb hec hee heg heh hei hen her heu hgb hgc hge hgg hgh hgi hgn hgr hgu hhb hhc hhe hhg hhh hhi hhn hhr hhu hib hic hie hig hih hii hin hir hiu hnb hnc hne hng hnh hnn hnu hr- hrb hrc hre hrg hrh hri hrn hrr hru hub huc hue hug huh hui hun hur huu ibb ibc ibe ibg ibh ibi ibn ibr ibu icb icc ice icg ich ici icn icr icu ie- iec iee ieg iei ien ier igb igc ige igg igh igi ign igr igu ihb ihc ihe ihg ihh ihi ihn ihr ihu iib iic iie iih iii iin iir iiu in- inb inc ine ing inh ini inn inr inu ir- irb irc ire irg iri irn irr iru iu- iub iuc iue iug iui iur n-i nbb nbc nbe nbg nbi nbn nbr nbu ncb ncc nce ncg nch nci ncn ncr ncu ne- neb nec nee neg neh nei nen ner neu ngb ngc nge ngg ngh ngi ngn ngu nhb nhc nhe nhg nhh nhi nhn nhr nhu nib nic nie nig nih nii nin nir niu nnb nnc nne nng nnh nni nnn nnu nrb nrc nre nrg nri nrn nrr nru nub nuc nue nug nuh nui nun nur nuu rbb rbc rbe rbg rbh rbi rbn rbr rbu rcb rcc rce rcg rch rci rcn rcr rcu re- reb rec ree reg reh rei ren rer reu rgb rgc rge rgg rgh rgi rgn rgr rh- rhb rhc rhe rhg rhh rhi rhn rhr rhu rib ric rie rig rih rii rin rir rnb rnc rng rnh rni rnn rnr rnu rrb rrc rrg rrh rri rrn rrr rru rub ruc rue rug ruh rui run rur ruu ubb ubc ube ubg ubh ubi ubn ubr ubu ucb ucc uce ucg uch uci ucn ucr ucu ueb uec uee ueg ueh uei uen uer ugb ugc uge ugg ugh ugi ugn ugr ugu uhb uhc uhe uhh uhi uhr uhu uib uic uie uig uii uin uir uiu un- unb unc une ung unh uni unn unr unu ur- urb urc ure urg uri urn urr uru uuc uue uug uun uur uuu