-er -ey b-u bbb bbe bbf bbi bbn bbr bbt bbu bby be- beb bee bef bei ben ber bet beu bey bfb bfe bff bfi bfn bfr bft bfu bfy bi- bib bie bif bii bin bir bit biu biy bnb bne bnf bni bnn bnr bnt bnu brb bre brf bri brn brr brt bru bry btb bte btf bti btn btr btt btu bty bub bue buf bui bun bur but buu buy by- bye byf byi byn byr byt byu ebb ebe ebf ebi ebn ebr ebt ebu eby eeb eee eef een eer eet eey ef- efb efe eff efi efr eft eib eie eif eii ein eir eit eiu en- enb ene enf eni enn enr ent enu eny erb ere erf eri ern err ert eru ery etb ete etf eti etn etr ett etu ety eu- eub eue euf eui eun eur eut eye eyn eyr eyt fbb fbe fbf fbi fbn fbr fbt fbu feb fee fef fei fen fer fet feu fey ffe fff ffi ffn ffr fft ffu ffy fib fie fif fii fin fir fit fiu fnb fne fnf fni fnn fnr fnt fnu frb fre frf fri frn frr frt fru fry ftb fte ftf fti ftn ftr ftt ftu fty fub fue fuf fui fun fur fut fuu fy- fyb fye fyi fyn i-f ibb ibe ibf ibi ibn ibr ibt ibu iby ie- iee ief iei ien ier iet iey ifb ife iff ifi ifn ifr ift ifu ify iib iie iif iii iin iir iit iiu in- inb ine inf ini inn inr int inu iny ir- irb ire irf iri irn irr irt iru iry itb ite itf iti itn itt itu ity iu- iub iue iui iur iut iye iyr iyt iyy n-i nbb nbe nbf nbi nbn nbr nbt nbu ne- neb nee nef nei nen ner net neu ney nfb nfe nff nfi nfn nfr nft nfu nib nie nif nii nin nir nit niu nnb nne nnf nni nnn nnt nnu nrb nre nrf nri nrn nrr nrt nru nry ntb nte ntf nti ntn ntr ntt ntu nub nue nui nun nur nut nuu nuy nye nyf nyn nyt nyu nyy rbb rbe rbf rbi rbn rbr rbt rbu re- reb ree ref rei ren rer ret reu rey rfb rfe rff rfi rfn rfr rft rfu rib rie rif rii rin rir rit riy rnb rni rnn rnr rnt rnu rny rrb rrf rri rrn rrr rrt rru rtb rte rtf rti rtn rtr rtt rtu rty rub rue ruf rui run rur rut ruu ruy ry- rye ryf ryn ryr ryu ryy tbb tbe tbf tbi tbn tbr tbt tbu te- teb tee tef tei ten ter tet teu tey tfb tfe tff tfi tfn tfr tft tfu tib tie tif tii tin tir tit tiu tiy tnb tne tnf tni tnn tnr tnt trb tre trf tri trn trr trt tru try ttb tte ttf tti ttn ttr ttt ttu tty tub tue tuf tui tun tur tut tuu tuy tye tyf tyn tyr tyt ubb ube ubf ubi ubn ubr ubt ubu uby ueb uee uef uei uen uer uet uey ufe uff ufi ufn ufr uft ufu uib uie uif uii uin uir uit uiu un- unb une unf uni unn unr unt unu uny ur- urb ure urf uri urn urr urt uru ury utb ute utf uti utn utr utt utu uty uue uun uur uut uuu uyi uyu ybe ybf ybi ybr yby yeb yee yef yei yen yer yet yey yfe yff yfr yft yfu yie yif yii yin yir yit yne ynn ynu yny yre yrf yrn yrt yru yte ytf ytn ytr ytt ytu yue yui yun yur yut yuu yuy yyb yye yyf yyt yyu yyy