-er -ey -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aar aat aay ab- aba abb abc abd abe abi abr abt aby ac- aca acb acc acd ace aci acr act acy ad- ada adb adc add ade adi adr adt ady aea aeb aec aed aee aei aer aet aey ai- aia aib aic aid aie aii air ait aiy ar- ara arb arc ard are ari arr art ary at- ata atb atc atd ate ati atr att ay- aya ayc ayd aye ayi ayr ayt baa bab bac bad bae bai bar bat bay bba bbb bbc bbd bbe bbi bbr bbt bby bca bcb bcc bcd bce bci bcr bct bcy bda bdb bdc bdd bde bdi bdr bdt bdy be- bea beb bec bed bee bei ber bet bey bi- bia bib bic bid bie bii bir bit biy bra brb brd bre bri brr brt bry bta btb btc btd bte bti btr btt bty by- bya byc byd bye byi byr byt c-- caa cab cac cad cae cai car cat cay cba cbb cbc cbd cbe cbi cbr cbt cby cca ccb ccc ccd cce cci ccr cct cda cdb cdc cdd cde cdi cdr cdt cdy ce- cea ceb cec ced cee cei cer cet cey ci- cia cib cic cid cie cii cir cit cra crb crc crd cre cri crr crt cry cta ctb ctc ctd cte cti ctr ctt cty cya cyb cyc cyd cye cyr cyt daa dab dac dad dae dai dar dat day dba dbb dbc dbd dbe dbi dbr dbt dby dca dcb dcc dcd dce dci dcr dct dda ddb ddc ddd dde ddi ddr ddt ddy de- dea deb dec ded dee dei der det dey di- dia dib dic did die dii dir dit diy dra drb drc drd dre dri drr drt dry dta dtb dtc dtd dte dti dtr dtt dty dy- dya dyb dyc dyd dye dyr dyy eaa eab eac ead eae eai ear eat eba ebb ebc ebd ebe ebi ebr ebt eby ec- eca ecb ecc ecd ece eci ecr ect ed- eda edb edc edd ede edi edr edt edy eea eeb eec eed eee eer eet eey eia eib eic eid eie eii eir eit era erb erc erd ere eri err ert ery eta etb etc etd ete eti etr ett ety eya eyc eyd eye eyr eyt i-d ia- iaa iab iac iad iae iai iar iat iba ibb ibc ibd ibe ibi ibr ibt iby ica icb icc icd ice ici icr ict icy ida idb idc idd ide idi idr idt idy ie- iea iec ied iee iei ier iet iey iia iib iic iid iie iii iir iit ir- ira irb irc ird ire iri irr irt iry ita itb itc itd ite iti itt ity iya iyc iye iyr iyt iyy ra- raa rab rac rad rae rai rar rat ray rba rbb rbc rbd rbe rbi rbr rbt rca rcb rcc rcd rce rci rcr rct rda rdb rdc rdd rde rdi rdr rdt rdy re- rea reb rec red ree rei rer ret rey ria rib ric rid rie rii rir rit riy rra rrb rrc rrd rri rrr rrt rta rtb rtc rtd rte rti rtr rtt rty ry- rya ryc ryd rye ryr ryy taa tab tac tad tae tai tar tat tay tba tbb tbc tbd tbe tbi tbr tbt tca tcb tcc tcd tce tci tcr tct tda tdb tdc tdd tde tdi tdr tdt tdy te- tea teb tec ted tee tei ter tet tey tia tib tic tid tie tii tir tit tiy tra trb trc trd tre tri trr trt try tta ttb ttc ttd tte tti ttr ttt tty tya tyc tyd tye tyr tyt yaa yab yac yad yae yai yar yat yay ybc ybe ybi ybr yby yca ycc ycd yce yci ycy yda yde ydt ydy yea yeb yec yed yee yei yer yet yey yid yie yii yir yit yra yrc yre yrt yta ytc ytd yte ytr ytt yyb yyc yye yyt yyy