-er -ey a-a a-b a-i a-t aaa aab aae aai aan aar aas aat aay ab- aba abb abe abi abn abr abs abt aby aea aeb aee aei aen aer aes aet aey ai- aia aib aie aii ain air ais ait aiy an- ana anb ane ani ann anr ans ant any ar- ara arb are ari arn arr ars art ary as- asa asb ase asi asn asr ass ast asy at- ata atb ate ati atn atr ats att ay- aya aye ayi ayn ayr ays ayt baa bab bae bai ban bar bas bat bay bba bbb bbe bbi bbn bbr bbs bbt bby be- bea beb bee bei ben ber bes bet bey bi- bia bib bie bii bin bir bis bit biy bna bnb bne bni bnn bnr bns bnt bra brb bre bri brn brr brs brt bry bsa bsb bse bsi bsn bsr bss bst bsy bta btb bte bti btn btr bts btt bty by- bya bye byi byn byr bys byt eaa eab eae eai ean ear eas eat eba ebb ebe ebi ebn ebr ebs ebt eby eea eeb eee een eer ees eet eey eia eib eie eii ein eir eis eit en- ena enb ene eni enn enr ens ent eny era erb ere eri ern err ers ert ery es- esa esb ese esi esn esr ess est esy eta etb ete eti etn etr ets ett ety eya eye eyn eyr eys eyt ia- iaa iab iae iai ian iar ias iat iba ibb ibe ibi ibn ibr ibs ibt iby ie- iea iee iei ien ier ies iet iey iia iib iie iii iin iir iis iit in- ina inb ine ini inn inr ins int iny ir- ira irb ire iri irn irr irs irt iry is- isa isb ise isi isn isr iss ist isy ita itb ite iti itn its itt ity iya iye iyr iys iyt iyy n-i naa nab nae nai nan nar nas nat nay nba nbb nbe nbi nbn nbr nbs nbt ne- nea neb nee nei nen ner nes net ney nia nib nie nii nin nir nis nit nna nnb nne nni nnn nns nnt nra nrb nre nri nrn nrr nrs nrt nry nsa nsb nse nsi nsn nsr nss nst nsy nta ntb nte nti ntn ntr nts ntt nya nye nyn nys nyt nyy ra- raa rab rae rai ran rar ras rat ray rba rbb rbe rbi rbn rbr rbs rbt re- rea reb ree rei ren rer res ret rey ria rib rie rii rin rir ris rit riy rna rnb rni rnn rnr rns rnt rny rra rrb rri rrn rrr rrs rrt rsa rsb rse rsi rsn rsr rss rst rta rtb rte rti rtn rtr rts rtt rty ry- rya rye ryn ryr rys ryy saa sab sae sai san sar sas sat say sba sbb sbe sbi sbn sbr sbs sbt sby se- sea seb see sei sen ser ses set sey sia sib sie sii sin sir sis sit sna snb sne sni snn snr sns snt sny sr- sra srb sre sri srn srr srs srt sry ss- ssa ssb sse ssi ssn ssr sss sst sta stb ste sti stn str sts stt sty sy- sya syb sye syi syn syr sys syt taa tab tae tai tan tar tas tat tay tba tbb tbe tbi tbn tbr tbs tbt te- tea teb tee tei ten ter tes tet tey tia tib tie tii tin tir tis tit tiy tna tnb tne tni tnn tnr tns tnt tra trb tre tri trn trr trs trt try tsa tsb tse tsi tsn tsr tss tst tsy tta ttb tte tti ttn ttr tts ttt tty tya tye tyn tyr tys tyt yaa yab yae yai yan yar yas yat yay ybe ybi ybr ybs yby yea yeb yee yei yen yer yes yet yey yie yii yin yir yis yit yna yne ynn yns yny yra yre yrn yrs yrt ysa ysb yse ysi ysr yss yst ysy yta yte ytn ytr yts ytt yyb yye yys yyt yyy