-er -ey a-a a-c aaa aac aae aah aap aar aay ac- aca acc ace ach acp acr acy aea aec aee aeh aep aer aey aha ahc ahe ahh ahp ahr ahy ap- apa apc ape aph app apr apy ar- ara arc are arh arp arr ary ay- aya ayc aye ayh ayp ayr c-- caa cac cae cah cap car cay cca ccc cce cch ccp ccr ce- cea cec cee ceh cep cer cey ch- cha chc che chh chp chr chy cpa cpc cpe cph cpp cpr cra crc cre crh crp crr cry cya cyc cye cyp cyr eaa eac eae eah eap ear ec- eca ecc ece ech ecr eea eec eee eep eer eey eha ehc ehe ehh ehp ehr ep- epa epc epe eph epp epr era erc ere erh erp err ery eya eyc eye eyp eyr haa hac hae hah hap har hay hca hcc hce hch hcp hcr hcy he- hea hec hee heh hep her hey hha hhc hhe hhh hhp hhr hhy hpa hpc hpe hph hpp hpr hpy hr- hra hrc hre hrh hrp hrr hy- hya hyc hye hyh hyp hyr hyy p-p paa pac pae pah pap par pay pca pcc pce pch pcp pcr pea pec pee peh pep per pey pha phc phe php phr phy ppa ppc ppe pph ppp ppr pra prc pre prh prp prr pry py- pya pyc pye pyr ra- raa rac rae rah rap rar ray rca rcc rce rch rcp rcr re- rea rec ree reh rep rer rey rh- rha rhc rhe rhh rhp rhr rpa rpc rpe rph rpp rpr rra rrc rrh rrp rrr ry- rya ryc rye ryr ryy yaa yac yae yah yap yar yay yca ycc yce ych ycp ycy yea yec yee yeh yep yer yey yha yhc yhe ypa yra yrc yre yrp yyc yye yyy