-er -ey a-a a-c aaa aac aae aag aah aak aar aau aay ac- aca acc ace acg ach ack acr acu acy aea aec aee aeg aeh aek aer aeu aey ag- aga agc age agg agh agk agr agu agy aha ahc ahe ahg ahh ahk ahr ahu ahy aka akc ake akg akh akk akr aku ar- ara arc are arg arh ark arr aru ary au- aua auc aue aug auh auk aur ay- aya ayc aye ayh ayk ayr ayu c-- caa cac cae cag cah cak car cau cay cca ccc cce ccg cch cck ccr ccu ce- cea cec cee ceg ceh cek cer ceu cey cga cgc cge cgg cgh cgr cgu cgy ch- cha chc che chg chh chk chr chu chy cka ckc ckh cky cra crc cre crg crh crk crr cru cry cua cuc cue cug cuh cuk cur cuu cuy cya cyc cye cyg cyk cyr eaa eac eae eag eah eak ear eau ec- eca ecc ece ecg ech eck ecr ecu eea eec eee eeg eek eer eey ega egc ege egg egh egr egu egy eha ehc ehe ehg ehh ehr ehu eka ekc eke ekg ekh ekr eku eky era erc ere erg erh erk err eru ery eu- eua euc eue eug eur eya eyc eye eyr gaa gac gae gag gah gak gar gau gay gca gcc gce gcg gch gck gcr gcu ge- gea gec gee geg geh gek ger geu gey gga ggc ggg ggh ggr ggu gha ghc ghe ghg ghh ghr gka gkh gra grc gre grg grh grk grr gru gry gu- gua guc gue gug guk gur guu guy gy- gya gye gyr haa hac hae hag hah hak har hau hay hca hcc hce hcg hch hck hcr hcy he- hea hec hee heg heh hek her heu hey hga hgc hge hgg hgh hgk hgr hgu hgy hha hhc hhe hhg hhh hhk hhr hhu hhy hka hkg hkh hkk hkr hku hr- hra hrc hre hrg hrh hrk hrr hru hua huc hue hug huh huk hur huu huy hy- hya hyc hye hyg hyh hyr hyy ka- kaa kac kae kag kah kak kar kau kay kca kcc kce kcg kch kck kcr kcu ke- kea kec kee keg keh kek ker key kga kgc kgh kgu kgy kha khe khh khk khr khu kkc kke kkh kkk kkr kku kky kra krc krg krk krr kru kry kuc kue kug kuh kuk kur kuu kuy kya kyc kye kyr kyu ra- raa rac rae rag rah rak rar rau ray rca rcc rce rcg rch rcr rcu re- rea rec ree reg reh rek rer reu rey rga rgc rge rgg rgh rgk rgr rh- rha rhc rhe rhg rhh rhr rhu rkc rke rkg rkk rku rky rra rrc rrg rrh rrk rrr rru rua ruc rue rug ruh ruk rur ruu ruy ry- rya ryc rye ryg ryk ryr ryu ryy ua- uaa uac uae uag uah uak uar uau uay uca ucc uce ucg uch uck ucr ucu uea uec uee ueg ueh uer uey uga ugc uge ugg ugh ugk ugr ugu uha uhc uhe uhh uhr uhu uhy uka ukc uke ukk ukr uku ur- ura urc ure urg urk urr uru ury uua uuc uue uug uur uuu uyc uyu yaa yac yae yag yah yak yar yau yay yca ycc yce ych ycu ycy yea yec yee yeg yeh yek yer yey yga ygc yha yhc yhe yhu yka ykk yra yrc yre yrg yru yua yue yug yuh yuk yur yuu yuy yyc yye yyg yyu yyy