-er -ey a-a a-c aaa aac aad aae aap aar aas aay ac- aca acc acd ace acp acr acs acy ad- ada adc add ade adp adr ads ady aea aec aed aee aep aer aes aey ap- apa apc apd ape app apr aps apy ar- ara arc ard are arp arr ars ary as- asa asc asd ase asp asr ass asy ay- aya ayc ayd aye ayp ayr ays c-- caa cac cad cae cap car cas cay cca ccc ccd cce ccp ccr ccs cda cdc cdd cde cdp cdr cds cdy ce- cea cec ced cee cep cer ces cey cpa cpc cpd cpe cpp cpr cps cra crc crd cre crp crr crs cry csa csc csd cse csp csr css csy cya cyc cyd cye cyp cyr cys daa dac dad dae dap dar das day dca dcc dcd dce dcp dcr dcs dda ddc ddd dde ddp ddr dds ddy de- dea dec ded dee dep der des dey dpa dpc dpd dpe dpp dpr dps dra drc drd dre drp drr drs dry dsa dsc dsd dse dsp dsr dss dsy dy- dya dyc dyd dye dyp dyr dys dyy eaa eac ead eae eap ear eas ec- eca ecc ecd ece ecr ecs ed- eda edc edd ede edp edr eds edy eea eec eed eee eep eer ees eey ep- epa epc epd epe epp epr eps era erc erd ere erp err ers ery es- esa esc esd ese esp esr ess esy eya eyc eyd eye eyp eyr eys p-p paa pac pad pae pap par pas pay pca pcc pcd pce pcp pcr pcs pda pdc pdd pde pdp pdr pds pea pec ped pee pep per pes pey ppa ppc ppd ppe ppp ppr pps pra prc prd pre prp prr prs pry ps- psa psc psd pse psp psr pss psy py- pya pyc pyd pye pyr pys ra- raa rac rad rae rap rar ras ray rca rcc rcd rce rcp rcr rcs rda rdc rdd rde rdp rdr rds rdy re- rea rec red ree rep rer res rey rpa rpc rpd rpe rpp rpr rps rra rrc rrd rrp rrr rrs rsa rsc rsd rse rsp rsr rss ry- rya ryc ryd rye ryr rys ryy saa sac sad sae sap sar sas say sca scc scd sce scp scr scs sda sdc sdd sde sdp sdr sds sdy se- sea sec sed see sep ser ses sey spa spc spd spe spp spr sps spy sr- sra src srd sre srp srr srs sry ss- ssa ssc ssd sse ssp ssr sss sy- sya syc syd sye syp syr sys yaa yac yad yae yap yar yas yay yca ycc ycd yce ycp ycs ycy yda yde yds ydy yea yec yed yee yep yer yes yey ypa ypd yps yra yrc yre yrp yrs ysa ysc yse ysp ysr yss ysy yyc yye yys yyy