-er -ey a-a a-c aaa aac aae aao aar aas aau aay ac- aca acc ace aco acr acs acu acy aea aec aee aeo aer aes aeu aey aoa aoc aoe aoo aor aos aou ar- ara arc are aro arr ars aru ary as- asa asc ase aso asr ass asu asy au- aua auc aue auo aur aus ay- aya ayc aye ayo ayr ays ayu c-- caa cac cae cao car cas cau cay cca ccc cce cco ccr ccs ccu ce- cea cec cee ceo cer ces ceu cey co- coa coc coe coo cor cos cou coy cra crc cre cro crr crs cru cry csa csc cse cso csr css csu csy cua cuc cue cuo cur cus cuu cuy cya cyc cye cyo cyr cys eaa eac eae eao ear eas eau ec- eca ecc ece eco ecr ecs ecu eea eec eee eeo eer ees eey eo- eoa eoc eoe eoo eor eos eou era erc ere ero err ers eru ery es- esa esc ese eso esr ess esu esy eu- eua euc eue eur eus eya eyc eye eyo eyr eys oaa oac oae oao oar oas oau oc- oca occ oco ocr ocs ocu oea oec oee oeo oer oes oey oo- ooa ooc ooo oor oos or- ora orc ore oro orr ors oru ory os- osa osc ose oso osr oss osu ou- oua ouc oue ouo our ous oya oye oyo oys ra- raa rac rae rao rar ras rau ray rca rcc rce rco rcr rcs rcu re- rea rec ree reo rer res reu rey roa roc roe roo ror ros rou roy rra rrc rrr rrs rru rsa rsc rse rso rsr rss rsu rua ruc rue ruo rur rus ruu ruy ry- rya ryc rye ryo ryr rys ryu ryy saa sac sae sao sar sas sau say sca scc sce sco scr scs scu se- sea sec see seo ser ses seu sey soa soc soe soo sor sos sou soy sr- sra src sre sro srr srs sry ss- ssa ssc sse sso ssr sss ssu sua suc sue suo sur sus suu suy sy- sya syc sye syr sys syu ua- uaa uac uae uao uar uas uau uay uca ucc uce uco ucr ucs ucu uea uec uee uer ues uey uoa uoc uoe uoo uor uos ur- ura urc ure uro urr urs uru ury usa usc use uso usr uss usu uua uuc uue uur uus uuu uyc uyo uys uyu yaa yac yae yao yar yas yau yay yca ycc yce yco ycs ycu ycy yea yec yee yeo yer yes yey yoc yoe yoo yor yos you yoy yra yrc yre yro yrs yru ysa ysc yse yso ysr yss ysu ysy yua yue yuo yur yus yuu yuy yyc yye yys yyu yyy