-er -ey a-a a-c a-t aaa aac aae aao aar aat aau aay ac- aca acc ace aco acr act acu acy aea aec aee aeo aer aet aeu aey aoa aoc aoe aoo aor aot aou ar- ara arc are aro arr art aru ary at- ata atc ate ato atr att atu au- aua auc aue auo aur aut ay- aya ayc aye ayo ayr ayt ayu c-- caa cac cae cao car cat cau cay cca ccc cce cco ccr cct ccu ce- cea cec cee ceo cer cet ceu cey co- coa coc coe coo cor cot cou coy cra crc cre cro crr crt cru cry cta ctc cte cto ctr ctt ctu cty cua cuc cue cuo cur cut cuu cuy cya cyc cye cyo cyr cyt eaa eac eae eao ear eat eau ec- eca ecc ece eco ecr ect ecu eea eec eee eeo eer eet eey eo- eoa eoc eoe eoo eor eot eou era erc ere ero err ert eru ery eta etc ete eto etr ett etu ety eu- eua euc eue eur eut eya eyc eye eyo eyr eyt oaa oac oae oao oar oat oau oc- oca occ oco ocr oct ocu oea oec oee oeo oer oet oey oo- ooa ooc ooo oor oot or- ora orc ore oro orr ort oru ory ot- ota otc ote oto otr ott otu ou- oua ouc oue ouo our out oya oye oyo ra- raa rac rae rao rar rat rau ray rca rcc rce rco rcr rct rcu re- rea rec ree reo rer ret reu rey roa roc roe roo ror rot rou roy rra rrc rrr rrt rru rta rtc rte rto rtr rtt rtu rty rua ruc rue ruo rur rut ruu ruy ry- rya ryc rye ryo ryr ryu ryy taa tac tae tao tar tat tau tay tca tcc tce tco tcr tct tcu te- tea tec tee teo ter tet teu tey to- toa toc toe too tor tot tou toy tra trc tre tro trr trt tru try tta ttc tte tto ttr ttt ttu tty tua tuc tue tuo tur tut tuu tuy tya tyc tye tyo tyr tyt ua- uaa uac uae uao uar uat uau uay uca ucc uce uco ucr uct ucu uea uec uee uer uet uey uoa uoc uoe uoo uor uot ur- ura urc ure uro urr urt uru ury uta utc ute uto utr utt utu uty uua uuc uue uur uut uuu uyc uyo uyu yaa yac yae yao yar yat yau yay yca ycc yce yco ycu ycy yea yec yee yeo yer yet yey yoc yoe yoo yor yot you yoy yra yrc yre yro yrt yru yta ytc yte yto ytr ytt ytu yua yue yuo yur yut yuu yuy yyc yye yyt yyu yyy