-er -ey a-a a-c aaa aac aae aah aao aap aar aay ac- aca acc ace ach aco acp acr acy aea aec aee aeh aeo aep aer aey aha ahc ahe ahh aho ahp ahr ahy aoa aoc aoe aoh aoo aop aor ap- apa apc ape aph apo app apr apy ar- ara arc are arh aro arp arr ary ay- aya ayc aye ayh ayo ayp ayr c-- caa cac cae cah cao cap car cay cca ccc cce cch cco ccp ccr ce- cea cec cee ceh ceo cep cer cey ch- cha chc che chh cho chp chr chy co- coa coc coe coh coo cop cor coy cpa cpc cpe cph cpo cpp cpr cra crc cre crh cro crp crr cry cya cyc cye cyo cyp cyr eaa eac eae eah eao eap ear ec- eca ecc ece ech eco ecr eea eec eee eeo eep eer eey eha ehc ehe ehh eho ehp ehr eo- eoa eoc eoe eoh eoo eop eor ep- epa epc epe eph epo epp epr era erc ere erh ero erp err ery eya eyc eye eyo eyp eyr haa hac hae hah hao hap har hay hca hcc hce hch hco hcp hcr hcy he- hea hec hee heh heo hep her hey hha hhc hhe hhh hho hhp hhr hhy hoa hoc hoe hoh hoo hop hor hoy hpa hpc hpe hph hpo hpp hpr hpy hr- hra hrc hre hrh hro hrp hrr hy- hya hyc hye hyh hyo hyp hyr hyy oaa oac oae oah oao oap oar oc- oca occ och oco ocp ocr oea oec oee oeh oeo oep oer oey oha ohc ohe ohh oho ohp ohr oo- ooa ooc ooh ooo oop oor op- opa opc ope oph opo opp opr opy or- ora orc ore orh oro orp orr ory oya oye oyo p-p paa pac pae pah pao pap par pay pca pcc pce pch pco pcp pcr pea pec pee peh peo pep per pey pha phc phe pho php phr phy poa poc poe poh poo pop por poy ppa ppc ppe pph ppo ppp ppr pra prc pre prh pro prp prr pry py- pya pyc pye pyo pyr ra- raa rac rae rah rao rap rar ray rca rcc rce rch rco rcp rcr re- rea rec ree reh reo rep rer rey rh- rha rhc rhe rhh rho rhp rhr roa roc roe roh roo rop ror roy rpa rpc rpe rph rpo rpp rpr rra rrc rrh rrp rrr ry- rya ryc rye ryo ryr ryy yaa yac yae yah yao yap yar yay yca ycc yce ych yco ycp ycy yea yec yee yeh yeo yep yer yey yha yhc yhe yoc yoe yoo yop yor yoy ypa ypo yra yrc yre yro yrp yyc yye yyy