-er -ey a-a a-b a-i a-t aaa aab aae aaf aai aan aar aat aay ab- aba abb abe abf abi abn abr abt aby aea aeb aee aef aei aen aer aet aey af- afa afb afe aff afi afn afr aft afy ai- aia aib aie aif aii ain air ait aiy an- ana anb ane anf ani ann anr ant any ar- ara arb are arf ari arn arr art ary at- ata atb ate atf ati atn atr att ay- aya aye ayf ayi ayn ayr ayt baa bab bae baf bai ban bar bat bay bba bbb bbe bbf bbi bbn bbr bbt bby be- bea beb bee bef bei ben ber bet bey bfa bfb bfe bff bfi bfn bfr bft bfy bi- bia bib bie bif bii bin bir bit biy bna bnb bne bnf bni bnn bnr bnt bra brb bre brf bri brn brr brt bry bta btb bte btf bti btn btr btt bty by- bya bye byf byi byn byr byt eaa eab eae eaf eai ean ear eat eba ebb ebe ebf ebi ebn ebr ebt eby eea eeb eee eef een eer eet eey ef- efa efb efe eff efi efr eft eia eib eie eif eii ein eir eit en- ena enb ene enf eni enn enr ent eny era erb ere erf eri ern err ert ery eta etb ete etf eti etn etr ett ety eya eye eyn eyr eyt faa fab fae faf fai fan far fat fay fba fbb fbe fbf fbi fbn fbr fbt fea feb fee fef fei fen fer fet fey ffa ffe fff ffi ffn ffr fft ffy fia fib fie fif fii fin fir fit fna fnb fne fnf fni fnn fnr fnt fra frb fre frf fri frn frr frt fry fta ftb fte ftf fti ftn ftr ftt fty fy- fya fyb fye fyi fyn i-f ia- iaa iab iae iaf iai ian iar iat iba ibb ibe ibf ibi ibn ibr ibt iby ie- iea iee ief iei ien ier iet iey ifa ifb ife iff ifi ifn ifr ift ify iia iib iie iif iii iin iir iit in- ina inb ine inf ini inn inr int iny ir- ira irb ire irf iri irn irr irt iry ita itb ite itf iti itn itt ity iya iye iyr iyt iyy n-i naa nab nae naf nai nan nar nat nay nba nbb nbe nbf nbi nbn nbr nbt ne- nea neb nee nef nei nen ner net ney nfa nfb nfe nff nfi nfn nfr nft nia nib nie nif nii nin nir nit nna nnb nne nnf nni nnn nnt nra nrb nre nrf nri nrn nrr nrt nry nta ntb nte ntf nti ntn ntr ntt nya nye nyf nyn nyt nyy ra- raa rab rae raf rai ran rar rat ray rba rbb rbe rbf rbi rbn rbr rbt re- rea reb ree ref rei ren rer ret rey rfa rfb rfe rff rfi rfn rfr rft ria rib rie rif rii rin rir rit riy rna rnb rni rnn rnr rnt rny rra rrb rrf rri rrn rrr rrt rta rtb rte rtf rti rtn rtr rtt rty ry- rya rye ryf ryn ryr ryy taa tab tae taf tai tan tar tat tay tba tbb tbe tbf tbi tbn tbr tbt te- tea teb tee tef tei ten ter tet tey tfa tfb tfe tff tfi tfn tfr tft tia tib tie tif tii tin tir tit tiy tna tnb tne tnf tni tnn tnr tnt tra trb tre trf tri trn trr trt try tta ttb tte ttf tti ttn ttr ttt tty tya tye tyf tyn tyr tyt yaa yab yae yaf yai yan yar yat yay ybe ybf ybi ybr yby yea yeb yee yef yei yen yer yet yey yfa yfe yff yfr yft yie yif yii yin yir yit yna yne ynn yny yra yre yrf yrn yrt yta yte ytf ytn ytr ytt yyb yye yyf yyt yyy