-er -ey a-a a-c aaa aac aad aae aap aar aay ac- aca acc acd ace acp acr acy ad- ada adc add ade adp adr ady aea aec aed aee aep aer aey ap- apa apc apd ape app apr apy ar- ara arc ard are arp arr ary ay- aya ayc ayd aye ayp ayr c-- caa cac cad cae cap car cay cca ccc ccd cce ccp ccr cda cdc cdd cde cdp cdr cdy ce- cea cec ced cee cep cer cey cpa cpc cpd cpe cpp cpr cra crc crd cre crp crr cry cya cyc cyd cye cyp cyr daa dac dad dae dap dar day dca dcc dcd dce dcp dcr dda ddc ddd dde ddp ddr ddy de- dea dec ded dee dep der dey dpa dpc dpd dpe dpp dpr dra drc drd dre drp drr dry dy- dya dyc dyd dye dyp dyr dyy eaa eac ead eae eap ear ec- eca ecc ecd ece ecr ed- eda edc edd ede edp edr edy eea eec eed eee eep eer eey ep- epa epc epd epe epp epr era erc erd ere erp err ery eya eyc eyd eye eyp eyr p-p paa pac pad pae pap par pay pca pcc pcd pce pcp pcr pda pdc pdd pde pdp pdr pea pec ped pee pep per pey ppa ppc ppd ppe ppp ppr pra prc prd pre prp prr pry py- pya pyc pyd pye pyr ra- raa rac rad rae rap rar ray rca rcc rcd rce rcp rcr rda rdc rdd rde rdp rdr rdy re- rea rec red ree rep rer rey rpa rpc rpd rpe rpp rpr rra rrc rrd rrp rrr ry- rya ryc ryd rye ryr ryy yaa yac yad yae yap yar yay yca ycc ycd yce ycp ycy yda yde ydy yea yec yed yee yep yer yey ypa ypd yra yrc yre yrp yyc yye yyy