-er -ey b-u bbb bbe bbg bbi bbn bbr bbu bby be- beb bee beg bei ben ber beu bey bgb bge bgg bgi bgn bgr bgu bi- bib bie big bii bin bir biu biy bnb bne bng bni bnn bnr bnu brb bre brg bri brn brr bru bry bub bue bug bui bun bur buu buy by- bye byg byi byn byr byu ebb ebe ebg ebi ebn ebr ebu eby eeb eee eeg een eer eey egb ege egg egi egn egr egu egy eib eie eig eii ein eir eiu en- enb ene eng eni enn enr enu eny erb ere erg eri ern err eru ery eu- eub eue eug eui eun eur eye eyn eyr gbe gbg gbi gbn gbr gbu gby ge- geb gee geg gei gen ger geu gey ggb ggg ggi ggn ggr ggu gib gie gig gii gin gir giu giy gnb gne gni gnn gnr gnu grb gre grg gri grn grr gru gry gu- gub gue gug gui gun gur guu guy gy- gyb gye gyn gyr ibb ibe ibg ibi ibn ibr ibu iby ie- iee ieg iei ien ier iey igb ige igg igi ign igr igu igy iib iie iii iin iir iiu in- inb ine ing ini inn inr inu iny ir- irb ire irg iri irn irr iru iry iu- iub iue iug iui iur iye iyr iyy n-i nbb nbe nbg nbi nbn nbr nbu ne- neb nee neg nei nen ner neu ney ngb nge ngg ngi ngn ngu nib nie nig nii nin nir niu nnb nne nng nni nnn nnu nrb nre nrg nri nrn nrr nru nry nub nue nug nui nun nur nuu nuy nye nyg nyn nyu nyy rbb rbe rbg rbi rbn rbr rbu re- reb ree reg rei ren rer reu rey rgb rge rgg rgi rgn rgr rib rie rig rii rin rir riy rnb rng rni rnn rnr rnu rny rrb rrg rri rrn rrr rru rub rue rug rui run rur ruu ruy ry- rye ryg ryn ryr ryu ryy ubb ube ubg ubi ubn ubr ubu uby ueb uee ueg uei uen uer uey ugb uge ugg ugi ugn ugr ugu uib uie uig uii uin uir uiu un- unb une ung uni unn unr unu uny ur- urb ure urg uri urn urr uru ury uue uug uun uur uuu uyi uyu ybe ybg ybi ybr yby yeb yee yeg yei yen yer yey yie yig yii yin yir yne yng ynn ynu yny yre yrg yrn yru yue yug yui yun yur yuu yuy yyb yye yyg yyu yyy