-er -ey a-a a-b a-i a-t aaa aab aae aag aai aan aar aat aay ab- aba abb abe abg abi abn abr abt aby aea aeb aee aeg aei aen aer aet aey ag- aga agb age agg agi agn agr agt agy ai- aia aib aie aig aii ain air ait aiy an- ana anb ane ang ani ann anr ant any ar- ara arb are arg ari arn arr art ary at- ata atb ate atg ati atn atr att ay- aya aye ayi ayn ayr ayt baa bab bae bag bai ban bar bat bay bba bbb bbe bbg bbi bbn bbr bbt bby be- bea beb bee beg bei ben ber bet bey bga bgb bge bgg bgi bgn bgr bgt bi- bia bib bie big bii bin bir bit biy bna bnb bne bng bni bnn bnr bnt bra brb bre brg bri brn brr brt bry bta btb bte btg bti btn btr btt bty by- bya bye byg byi byn byr byt eaa eab eae eag eai ean ear eat eba ebb ebe ebg ebi ebn ebr ebt eby eea eeb eee eeg een eer eet eey ega egb ege egg egi egn egr egt egy eia eib eie eig eii ein eir eit en- ena enb ene eng eni enn enr ent eny era erb ere erg eri ern err ert ery eta etb ete etg eti etn etr ett ety eya eye eyn eyr eyt gaa gab gae gag gai gan gar gat gay gba gbe gbg gbi gbn gbr gbt gby ge- gea geb gee geg gei gen ger get gey gga ggb ggg ggi ggn ggr ggt gia gib gie gig gii gin gir git giy gna gnb gne gni gnn gnr gnt gra grb gre grg gri grn grr grt gry gta gtb gte gtg gti gtn gtr gtt gty gy- gya gyb gye gyn gyr ia- iaa iab iae iag iai ian iar iat iba ibb ibe ibg ibi ibn ibr ibt iby ie- iea iee ieg iei ien ier iet iey iga igb ige igg igi ign igr igt igy iia iib iie iii iin iir iit in- ina inb ine ing ini inn inr int iny ir- ira irb ire irg iri irn irr irt iry ita itb ite itg iti itn itt ity iya iye iyr iyt iyy n-i naa nab nae nag nai nan nar nat nay nba nbb nbe nbg nbi nbn nbr nbt ne- nea neb nee neg nei nen ner net ney nga ngb nge ngg ngi ngn ngt nia nib nie nig nii nin nir nit nna nnb nne nng nni nnn nnt nra nrb nre nrg nri nrn nrr nrt nry nta ntb nte ntg nti ntn ntr ntt nya nye nyg nyn nyt nyy ra- raa rab rae rag rai ran rar rat ray rba rbb rbe rbg rbi rbn rbr rbt re- rea reb ree reg rei ren rer ret rey rga rgb rge rgg rgi rgn rgr rgt ria rib rie rig rii rin rir rit riy rna rnb rng rni rnn rnr rnt rny rra rrb rrg rri rrn rrr rrt rta rtb rte rtg rti rtn rtr rtt rty ry- rya rye ryg ryn ryr ryy taa tab tae tag tai tan tar tat tay tba tbb tbe tbg tbi tbn tbr tbt te- tea teb tee teg tei ten ter tet tey tga tgb tge tgg tgi tgn tgr tgt tgy tia tib tie tig tii tin tir tit tiy tna tnb tne tng tni tnn tnr tnt tra trb tre trg tri trn trr trt try tta ttb tte ttg tti ttn ttr ttt tty tya tye tyg tyn tyr tyt yaa yab yae yag yai yan yar yat yay ybe ybg ybi ybr yby yea yeb yee yeg yei yen yer yet yey yga yie yig yii yin yir yit yna yne yng ynn yny yra yre yrg yrn yrt yta yte ytn ytr ytt yyb yye yyg yyt yyy