-er -ey b-u bbb bbe bbi bbn bbr bbs bbu bby be- beb bee bei ben ber bes beu bev bey bi- bib bie bii bin bir bis biu biv biy bnb bne bni bnn bnr bns bnu bnv brb bre bri brn brr brs bru brv bry bsb bse bsi bsn bsr bss bsu bsv bsy bub bue bui bun bur bus buu buy bvb bve bvi bvn bvr bvs bvu bvv by- bye byi byn byr bys byu ebb ebe ebi ebn ebr ebs ebu ebv eby eeb eee een eer ees eev eey eib eie eii ein eir eis eiu eiv en- enb ene eni enn enr ens enu env eny erb ere eri ern err ers eru erv ery es- esb ese esi esn esr ess esu esv esy eu- eub eue eui eun eur eus euv evb eve evi evn evr evs evv evy eye eyn eyr eys i-v ibb ibe ibi ibn ibr ibs ibu ibv iby ie- iee iei ien ier ies iev iey iib iie iii iin iir iis iiu in- inb ine ini inn inr ins inu inv iny ir- irb ire iri irn irr irs iru irv iry is- isb ise isi isn isr iss isu isv isy iu- iub iue iui iur ius ivb ive ivi ivr ivs ivu ivv ivy iye iyr iys iyy n-i nbb nbe nbi nbn nbr nbs nbu nbv ne- neb nee nei nen ner nes neu nev ney nib nie nii nin nir nis niu niv nnb nne nni nnn nns nnu nnv nrb nre nri nrn nrr nrs nru nrv nry nsb nse nsi nsn nsr nss nsu nsv nsy nub nue nui nun nur nus nuu nuv nuy nvb nve nvi nvn nvu nvv nye nyn nys nyu nyy rbb rbe rbi rbn rbr rbs rbu re- reb ree rei ren rer res reu rev rey rib rie rii rin rir ris riv riy rnb rni rnn rnr rns rnu rnv rny rrb rri rrn rrr rrs rru rsb rse rsi rsn rsr rss rsu rsv rub rue rui run rur rus ruu ruv ruy rvb rve rvi rvn rvr rvs rvu rvv rvy ry- rye ryn ryr rys ryu ryy sbb sbe sbi sbn sbr sbs sbu sbv sby se- seb see sei sen ser ses seu sev sey sib sie sii sin sir sis siu siv snb sne sni snn snr sns snu snv sny sr- srb sre sri srn srr srs srv sry ss- ssb sse ssi ssn ssr sss ssu ssv sub sue sui sun sur sus suu suv suy svb sve svi svn svr svs svu svv svy sy- syb sye syi syn syr sys syu ubb ube ubi ubn ubr ubs ubu ubv uby ueb uee uei uen uer ues uey uib uie uii uin uir uis uiu un- unb une uni unn unr uns unu unv uny ur- urb ure uri urn urr urs uru ury usb use usi usn usr uss usu usv uue uun uur uus uuu uvb uve uvs uvu uvv uyi uys uyu v-e vbi vbr vbs vbv veb vee vei ven ver ves veu vey vi- vib vie vii vin vir vis viu viv viy vn- vni vnr vns vnu vnv vrb vre vri vrn vrr vrs vru vry vsb vse vsi vsn vsr vss vsu vsv vue vur vus vuv vvb vvi vvr vvs vvv vye vyn ybe ybi ybr ybs yby yeb yee yei yen yer yes yev yey yie yii yin yir yis yne ynn yns ynu yny yre yrn yrs yru ysb yse ysi ysr yss ysu ysy yue yui yun yur yus yuu yuv yuy yve yvi yvr yvy yyb yye yys yyu yyy