-er -ey a-a a-t aaa aae aag aan aar aat aax aay aea aee aeg aen aer aet aex aey ag- aga age agg agn agr agt agx agy an- ana ane ang ann anr ant anx any ar- ara are arg arn arr art arx ary at- ata ate atg atn atr att atx ax- axa axe axn axr axt axx ay- aya aye ayn ayr ayt ayx eaa eae eag ean ear eat eax eea eee eeg een eer eet eex eey ega ege egg egn egr egt egx egy en- ena ene eng enn enr ent eny era ere erg ern err ert ery eta ete etg etn etr ett etx ety ex- exa exe exr ext exx exy eya eye eyn eyr eyt gaa gae gag gan gar gat gay ge- gea gee geg gen ger get gex gey gga ggg ggn ggr ggt gna gne gnn gnr gnt gra gre grg grn grr grt grx gry gta gte gtg gtn gtr gtt gtx gty gxa gxt gy- gya gye gyn gyr naa nae nag nan nar nat nax nay ne- nea nee neg nen ner net nex ney nga nge ngg ngn ngt nna nne nng nnn nnt nra nre nrg nrn nrr nrt nrx nry nta nte ntg ntn ntr ntt ntx nxt nya nye nyg nyn nyt nyx nyy ra- raa rae rag ran rar rat rax ray re- rea ree reg ren rer ret rex rey rga rge rgg rgn rgr rgt rgx rna rng rnn rnr rnt rny rra rrg rrn rrr rrt rta rte rtg rtn rtr rtt rtx rty rxr ry- rya rye ryg ryn ryr ryy t-x taa tae tag tan tar tat tax tay te- tea tee teg ten ter tet tex tey tga tge tgg tgn tgr tgt tgy tna tne tng tnn tnr tnt tnx tra tre trg trn trr trt trx try tta tte ttg ttn ttr ttt ttx tty txe txn txt tya tye tyg tyn tyr tyt xaa xag xan xar xat xee xeg xen xer xet xex xge xna xrt xrx xry xtr xtx xty xxx xxy xyr xyy yaa yae yag yan yar yat yax yay yea yee yeg yen yer yet yex yey yga yna yne yng ynn yny yra yre yrg yrn yrt yta yte ytn ytr ytt yxa yxe yxy yye yyg yyt yyy