-er -ey a-a a-b a-c a-t aaa aab aac aad aae aap aar aas aat aay ab- aba abb abc abd abe abp abr abs abt aby ac- aca acb acc acd ace acp acr acs act acy ad- ada adb adc add ade adp adr ads adt ady aea aeb aec aed aee aep aer aes aet aey ap- apa apb apc apd ape app apr aps apt apy ar- ara arb arc ard are arp arr ars art ary as- asa asb asc asd ase asp asr ass ast asy at- ata atb atc atd ate atp atr ats att ay- aya ayc ayd aye ayp ayr ays ayt b-p baa bab bac bad bae bap bar bas bat bay bba bbb bbc bbd bbe bbp bbr bbs bbt bby bca bcb bcc bcd bce bcp bcr bcs bct bcy bda bdb bdc bdd bde bdp bdr bds bdt bdy be- bea beb bec bed bee bep ber bes bet bey bpa bpb bpc bpd bpe bpp bpr bps bpt bpy bra brb brd bre brp brr brs brt bry bsa bsb bsc bsd bse bsp bsr bss bst bsy bta btb btc btd bte btp btr bts btt bty by- bya byc byd bye byp byr bys byt c-- caa cab cac cad cae cap car cas cat cay cba cbb cbc cbd cbe cbp cbr cbs cbt cby cca ccb ccc ccd cce ccp ccr ccs cct cda cdb cdc cdd cde cdp cdr cds cdt cdy ce- cea ceb cec ced cee cep cer ces cet cey cpa cpb cpc cpd cpe cpp cpr cps cpt cra crb crc crd cre crp crr crs crt cry csa csb csc csd cse csp csr css cst csy cta ctb ctc ctd cte ctp ctr cts ctt cty cya cyb cyc cyd cye cyp cyr cys cyt daa dab dac dad dae dap dar das dat day dba dbb dbc dbd dbe dbp dbr dbs dbt dby dca dcb dcc dcd dce dcp dcr dcs dct dda ddb ddc ddd dde ddp ddr dds ddt ddy de- dea deb dec ded dee dep der des det dey dpa dpb dpc dpd dpe dpp dpr dps dpt dra drb drc drd dre drp drr drs drt dry dsa dsb dsc dsd dse dsp dsr dss dst dsy dta dtb dtc dtd dte dtp dtr dts dtt dty dy- dya dyb dyc dyd dye dyp dyr dys dyy eaa eab eac ead eae eap ear eas eat eba ebb ebc ebd ebe ebp ebr ebs ebt eby ec- eca ecb ecc ecd ece ecr ecs ect ed- eda edb edc edd ede edp edr eds edt edy eea eeb eec eed eee eep eer ees eet eey ep- epa epb epc epd epe epp epr eps ept era erb erc erd ere erp err ers ert ery es- esa esb esc esd ese esp esr ess est esy eta etb etc etd ete etp etr ets ett ety eya eyc eyd eye eyp eyr eys eyt p-p paa pab pac pad pae pap par pas pat pay pba pbb pbc pbd pbe pbp pbr pbs pbt pby pca pcb pcc pcd pce pcp pcr pcs pct pda pdb pdc pdd pde pdp pdr pds pdt pea peb pec ped pee pep per pes pet pey ppa ppb ppc ppd ppe ppp ppr pps ppt pra prb prc prd pre prp prr prs prt pry ps- psa psb psc psd pse psp psr pss pst psy pt- pta ptb ptc ptd pte ptp ptr pts ptt pty py- pya pyb pyc pyd pye pyr pys pyt ra- raa rab rac rad rae rap rar ras rat ray rba rbb rbc rbd rbe rbp rbr rbs rbt rca rcb rcc rcd rce rcp rcr rcs rct rda rdb rdc rdd rde rdp rdr rds rdt rdy re- rea reb rec red ree rep rer res ret rey rpa rpb rpc rpd rpe rpp rpr rps rpt rra rrb rrc rrd rrp rrr rrs rrt rsa rsb rsc rsd rse rsp rsr rss rst rta rtb rtc rtd rte rtp rtr rts rtt rty ry- rya ryc ryd rye ryr rys ryy saa sab sac sad sae sap sar sas sat say sba sbb sbc sbd sbe sbp sbr sbs sbt sby sca scb scc scd sce scp scr scs sct sda sdb sdc sdd sde sdp sdr sds sdt sdy se- sea seb sec sed see sep ser ses set sey spa spb spc spd spe spp spr sps spt spy sr- sra srb src srd sre srp srr srs srt sry ss- ssa ssb ssc ssd sse ssp ssr sss sst sta stb stc std ste stp str sts stt sty sy- sya syb syc syd sye syp syr sys syt taa tab tac tad tae tap tar tas tat tay tba tbb tbc tbd tbe tbp tbr tbs tbt tca tcb tcc tcd tce tcp tcr tcs tct tda tdb tdc tdd tde tdp tdr tds tdt tdy te- tea teb tec ted tee tep ter tes tet tey tpa tpb tpc tpd tpe tpp tpr tps tpt tra trb trc trd tre trp trr trs trt try tsa tsb tsc tsd tse tsp tsr tss tst tsy tta ttb ttc ttd tte ttp ttr tts ttt tty tya tyc tyd tye typ tyr tys tyt yaa yab yac yad yae yap yar yas yat yay ybc ybe ybp ybr ybs yby yca ycc ycd yce ycp ycs ycy yda yde yds ydt ydy yea yeb yec yed yee yep yer yes yet yey ypa ypd yps yra yrc yre yrp yrs yrt ysa ysb ysc yse ysp ysr yss yst ysy yta ytc ytd yte ytp ytr yts ytt yyb yyc yye yys yyt yyy