-er -ic b-u bbb bbc bbe bbg bbi bbn bbo bbr bbt bbu bcb bcc bce bcg bci bcn bco bcr bct bcu bcv be- beb bec bee beg bei ben beo ber bet beu bev bgb bgc bge bgg bgi bgn bgo bgr bgt bgu bgv bi- bib bic bie big bii bin bio bir bit biu biv bnb bnc bne bng bni bnn bno bnr bnt bnu bnv bob boc boe bog boi bon boo bor bot bou bov brb bre brg bri brn bro brr brt bru brv btb btc bte btg bti btn bto btr btt btu btv bub buc bue bug bui bun buo bur but buu bvb bvc bve bvg bvi bvn bvo bvr bvt bvu bvv c-- cbb cbc cbe cbg cbi cbn cbo cbr cbt cbu cbv ccb ccc cce ccg cci ccn cco ccr cct ccu ccv ce- ceb cec cee ceg cei cen ceo cer cet ceu cev cgb cgc cge cgg cgi cgn cgo cgr cgt cgu cgv ci- cib cic cie cig cii cin cio cir cit ciu civ cn- cnb cnc cne cng cni cnn cno cnr cnt cnu cnv co- cob coc coe cog coi con coo cor cot cou cov crb crc cre crg cri crn cro crr crt cru crv ctb ctc cte ctg cti ctn cto ctr ctt ctu ctv cub cuc cue cug cui cun cuo cur cut cuu cuv cvb cvc cve cvg cvi cvn cvo cvr cvt cvu cvv ebb ebc ebe ebg ebi ebn ebo ebr ebt ebu ebv ec- ecb ecc ece ecg eci ecn eco ecr ect ecu ecv eeb eec eee eeg een eeo eer eet eev egb egc ege egg egi egn ego egr egt egu eib eic eie eig eii ein eio eir eit eiu eiv en- enb enc ene eng eni enn eno enr ent enu env eo- eob eoc eoe eog eoi eon eoo eor eot eou erb erc ere erg eri ern ero err ert eru erv etb etc ete etg eti etn eto etr ett etu etv eu- eub euc eue eug eui eun eur eut euv evb evc eve evg evi evn evo evr evt evv gbc gbe gbg gbi gbn gbo gbr gbt gbu gbv gcb gcc gce gcg gci gcn gco gcr gct gcu ge- geb gec gee geg gei gen geo ger get geu gev ggb ggc ggg ggi ggn ggo ggr ggt ggu ggv gib gic gie gig gii gin gio gir git giu giv gnb gnc gne gni gnn gno gnr gnt gnu gnv gob goc goe gog goi gon goo gor got gou gov grb grc gre grg gri grn gro grr grt gru grv gtb gtc gte gtg gti gtn gto gtr gtt gtu gtv gu- gub guc gue gug gui gun guo gur gut guu guv gvb gvc gve gvg gvi gvn gvo gvr gvt gvu i-v ibb ibc ibe ibg ibi ibn ibo ibr ibt ibu ibv icb icc ice icg ici icn ico icr ict icu icv ie- iec iee ieg iei ien ier iet iev igb igc ige igg igi ign igo igr igt igu iib iic iie iii iin iio iir iit iiu in- inb inc ine ing ini inn ino inr int inu inv io- iob ioc ioe iog ioi ion ioo ior iot iou iov ir- irb irc ire irg iri irn iro irr irt iru irv itb itc ite itg iti itn ito itt itu itv iu- iub iuc iue iug iui iur iut ivb ivc ive ivg ivi ivo ivr ivt ivu ivv n-i nbb nbc nbe nbg nbi nbn nbo nbr nbt nbu nbv ncb ncc nce ncg nci ncn nco ncr nct ncu ncv ne- neb nec nee neg nei nen neo ner net neu nev ngb ngc nge ngg ngi ngn ngo ngt ngu nib nic nie nig nii nin nio nir nit niu niv nnb nnc nne nng nni nnn nno nnt nnu nnv no- nob noc noe nog noi non noo nor not nou nov nrb nrc nre nrg nri nrn nro nrr nrt nru nrv ntb ntc nte ntg nti ntn nto ntr ntt ntu ntv nub nuc nue nug nui nun nuo nur nut nuu nuv nvb nvc nve nvg nvi nvn nvt nvu nvv o-i ob- obb obc obe obg obi obn obo obr obt obu obv oc- ocb occ ocg oci ocn oco ocr oct ocu ocv oeb oec oee oeg oei oen oeo oer oet ogc oge ogg ogi ogn ogo ogt oib oic oie oii oin oio oir oit oiu oiv on- onb onc one ong oni onn ono onr ont onu oo- oob ooc oog ooi oon ooo oor oot oov or- orb orc ore org ori orn oro orr ort oru orv ot- otb otc ote otg oti otn oto otr ott otu otv ou- ouc oue oui oun ouo our out ov- ovb ovc ove ovi ovo ovv rbb rbc rbe rbg rbi rbn rbo rbr rbt rbu rcb rcc rce rcg rci rcn rco rcr rct rcu rcv re- reb rec ree reg rei ren reo rer ret reu rev rgb rgc rge rgg rgi rgn rgo rgr rgt rgv rib ric rie rig rii rin rio rir rit riv rnb rnc rng rni rnn rno rnr rnt rnu rnv rob roc roe rog roi ron roo ror rot rou rov rrb rrc rrg rri rrn rrr rrt rru rtb rtc rte rtg rti rtn rto rtr rtt rtu rtv rub ruc rue rug rui run ruo rur rut ruu ruv rvb rvc rve rvg rvi rvn rvo rvr rvt rvu rvv tbb tbc tbe tbg tbi tbn tbo tbr tbt tbu tbv tcb tcc tce tcg tci tcn tco tcr tct tcu tcv te- teb tec tee teg tei ten teo ter tet teu tev tgb tgc tge tgg tgi tgn tgo tgr tgt tgu tgv tib tic tie tig tii tin tio tir tit tiu tiv