-er -ey a-a a-b a-i a-t aaa aab aad aae aai aar aat aau aay ab- aba abb abd abe abi abr abt abu aby ad- ada adb add ade adi adr adt adu ady aea aeb aed aee aei aer aet aeu aey ai- aia aib aid aie aii air ait aiu aiy ar- ara arb ard are ari arr art aru ary at- ata atb atd ate ati atr att atu au- aua aub aud aue aui aur aut ay- aya ayd aye ayi ayr ayt ayu b-u baa bab bad bae bai bar bat bau bay bba bbb bbd bbe bbi bbr bbt bbu bby bda bdb bdd bde bdi bdr bdt bdu bdy be- bea beb bed bee bei ber bet beu bey bi- bia bib bid bie bii bir bit biu biy bra brb brd bre bri brr brt bru bry bta btb btd bte bti btr btt btu bty bua bub bud bue bui bur but buu buy by- bya byd bye byi byr byt byu daa dab dad dae dai dar dat dau day dba dbb dbd dbe dbi dbr dbt dbu dby dda ddb ddd dde ddi ddr ddt ddu ddy de- dea deb ded dee dei der det deu dey di- dia dib did die dii dir dit diu diy dra drb drd dre dri drr drt dru dry dta dtb dtd dte dti dtr dtt dtu dty dua dub dud due dui dur dut duy dy- dya dyb dyd dye dyr dyu dyy eaa eab ead eae eai ear eat eau eba ebb ebd ebe ebi ebr ebt ebu eby ed- eda edb edd ede edi edr edt edu edy eea eeb eed eee eer eet eey eia eib eid eie eii eir eit eiu era erb erd ere eri err ert eru ery eta etb etd ete eti etr ett etu ety eu- eua eub eud eue eui eur eut eya eyd eye eyr eyt i-d ia- iaa iab iad iae iai iar iat iau iba ibb ibd ibe ibi ibr ibt ibu iby ida idb idd ide idi idr idt idu idy ie- iea ied iee iei ier iet iey iia iib iid iie iii iir iit iiu ir- ira irb ird ire iri irr irt iru iry ita itb itd ite iti itt itu ity iu- iua iub iud iue iui iur iut iya iye iyr iyt iyy ra- raa rab rad rae rai rar rat rau ray rba rbb rbd rbe rbi rbr rbt rbu rda rdb rdd rde rdi rdr rdt rdu rdy re- rea reb red ree rei rer ret reu rey ria rib rid rie rii rir rit riy rra rrb rrd rri rrr rrt rru rta rtb rtd rte rti rtr rtt rtu rty rua rub rud rue rui rur rut ruu ruy ry- rya ryd rye ryr ryu ryy taa tab tad tae tai tar tat tau tay tba tbb tbd tbe tbi tbr tbt tbu tda tdb tdd tde tdi tdr tdt tdu tdy te- tea teb ted tee tei ter tet teu tey tia tib tid tie tii tir tit tiu tiy tra trb trd tre tri trr trt tru try tta ttb ttd tte tti ttr ttt ttu tty tua tub tud tue tui tur tut tuu tuy tya tyd tye tyr tyt ua- uaa uab uad uae uai uar uat uau uay uba ubb ube ubi ubr ubt ubu uby uda udb udd ude udi udr udt udu uea ueb ued uee uei uer uet uey uia uib uid uie uii uir uit uiu ur- ura urb urd ure uri urr urt uru ury uta utb utd ute uti utr utt utu uty uua uue uur uut uuu uyi uyu yaa yab yad yae yai yar yat yau yay ybe ybi ybr yby yda yde ydt ydy yea yeb yed yee yei yer yet yey yid yie yii yir yit yra yre yrt yru yta ytd yte ytr ytt ytu yua yud yue yui yur yut yuu yuy yyb yye yyt yyu yyy