-er -ey b-u bbb bbe bbg bbi bbn bbr bbs bbu bby be- beb bee beg bei ben ber bes beu bey bgb bge bgg bgi bgn bgr bgs bgu bi- bib bie big bii bin bir bis biu biy bnb bne bng bni bnn bnr bns bnu brb bre brg bri brn brr brs bru bry bsb bse bsg bsi bsn bsr bss bsu bsy bub bue bug bui bun bur bus buu buy by- bye byg byi byn byr bys byu ebb ebe ebg ebi ebn ebr ebs ebu eby eeb eee eeg een eer ees eey egb ege egg egi egn egr egs egu egy eib eie eig eii ein eir eis eiu en- enb ene eng eni enn enr ens enu eny erb ere erg eri ern err ers eru ery es- esb ese esg esi esn esr ess esu esy eu- eub eue eug eui eun eur eus eye eyn eyr eys gbe gbg gbi gbn gbr gbs gbu gby ge- geb gee geg gei gen ger ges geu gey ggb ggg ggi ggn ggr ggs ggu gib gie gig gii gin gir gis giu giy gnb gne gni gnn gnr gns gnu grb gre grg gri grn grr grs gru gry gsb gse gsg gsi gsn gsr gss gsu gu- gub gue gug gui gun gur gus guu guy gy- gyb gye gyn gyr gys ibb ibe ibg ibi ibn ibr ibs ibu iby ie- iee ieg iei ien ier ies iey igb ige igg igi ign igr igs igu igy iib iie iii iin iir iis iiu in- inb ine ing ini inn inr ins inu iny ir- irb ire irg iri irn irr irs iru iry is- isb ise isg isi isn isr iss isu isy iu- iub iue iug iui iur ius iye iyr iys iyy n-i nbb nbe nbg nbi nbn nbr nbs nbu ne- neb nee neg nei nen ner nes neu ney ngb nge ngg ngi ngn ngs ngu nib nie nig nii nin nir nis niu nnb nne nng nni nnn nns nnu nrb nre nrg nri nrn nrr nrs nru nry nsb nse nsg nsi nsn nsr nss nsu nsy nub nue nug nui nun nur nus nuu nuy nye nyg nyn nys nyu nyy rbb rbe rbg rbi rbn rbr rbs rbu re- reb ree reg rei ren rer res reu rey rgb rge rgg rgi rgn rgr rgs rib rie rig rii rin rir ris riy rnb rng rni rnn rnr rns rnu rny rrb rrg rri rrn rrr rrs rru rsb rse rsg rsi rsn rsr rss rsu rub rue rug rui run rur rus ruu ruy ry- rye ryg ryn ryr rys ryu ryy sbb sbe sbg sbi sbn sbr sbs sbu sby se- seb see seg sei sen ser ses seu sey sgb sge sgg sgi sgn sgr sgs sgu sib sie sig sii sin sir sis siu snb sne sng sni snn snr sns snu sny sr- srb sre srg sri srn srr srs sry ss- ssb sse ssg ssi ssn ssr sss ssu sub sue sug sui sun sur sus suu suy sy- syb sye syg syi syn syr sys syu ubb ube ubg ubi ubn ubr ubs ubu uby ueb uee ueg uei uen uer ues uey ugb uge ugg ugi ugn ugr ugs ugu uib uie uig uii uin uir uis uiu un- unb une ung uni unn unr uns unu uny ur- urb ure urg uri urn urr urs uru ury usb use usg usi usn usr uss usu uue uug uun uur uus uuu uyi uys uyu ybe ybg ybi ybr ybs yby yeb yee yeg yei yen yer yes yey yie yig yii yin yir yis yne yng ynn yns ynu yny yre yrg yrn yrs yru ysb yse ysg ysi ysr yss ysu ysy yue yug yui yun yur yus yuu yuy yyb yye yyg yys yyu yyy