-er -ey a-a a-b a-c aaa aab aac aae aah aar aas aau aay ab- aba abb abc abe abh abr abs abu aby ac- aca acb acc ace ach acr acs acu acy aea aeb aec aee aeh aer aes aeu aey aha ahb ahc ahe ahh ahr ahs ahu ahy ar- ara arb arc are arh arr ars aru ary as- asa asb asc ase ash asr ass asu asy au- aua aub auc aue auh aur aus ay- aya ayc aye ayh ayr ays ayu b-u baa bab bac bae bah bar bas bau bay bba bbb bbc bbe bbh bbr bbs bbu bby bca bcb bcc bce bch bcr bcs bcu bcy be- bea beb bec bee beh ber bes beu bey bha bhb bhc bhe bhh bhr bhs bhu bra brb bre brh brr brs bru bry bsa bsb bsc bse bsh bsr bss bsu bsy bua bub buc bue buh bur bus buu buy by- bya byc bye byh byr bys byu c-- caa cab cac cae cah car cas cau cay cba cbb cbc cbe cbh cbr cbs cbu cby cca ccb ccc cce cch ccr ccs ccu ce- cea ceb cec cee ceh cer ces ceu cey ch- cha chb chc che chh chr chs chu chy cra crb crc cre crh crr crs cru cry csa csb csc cse csh csr css csu csy cua cub cuc cue cuh cur cus cuu cuy cya cyb cyc cye cyr cys eaa eab eac eae eah ear eas eau eba ebb ebc ebe ebh ebr ebs ebu eby ec- eca ecb ecc ece ech ecr ecs ecu eea eeb eec eee eer ees eey eha ehb ehc ehe ehh ehr ehs ehu era erb erc ere erh err ers eru ery es- esa esb esc ese esh esr ess esu esy eu- eua eub euc eue eur eus eya eyc eye eyr eys haa hab hac hae hah har has hau hay hba hbb hbc hbe hbh hbr hbs hbu hby hca hcb hcc hce hch hcr hcs hcy he- hea heb hec hee heh her hes heu hey hha hhb hhc hhe hhh hhr hhs hhu hhy hr- hra hrb hrc hre hrh hrr hrs hru hsa hsb hsc hse hsh hsr hss hsu hsy hua hub huc hue huh hur hus huu huy hy- hya hyb hyc hye hyh hyr hys hyy ra- raa rab rac rae rah rar ras rau ray rba rbb rbc rbe rbh rbr rbs rbu rca rcb rcc rce rch rcr rcs rcu re- rea reb rec ree reh rer res reu rey rh- rha rhb rhc rhe rhh rhr rhs rhu rra rrb rrc rrh rrr rrs rru rsa rsb rsc rse rsh rsr rss rsu rua rub ruc rue ruh rur rus ruu ruy ry- rya ryc rye ryr rys ryu ryy saa sab sac sae sah sar sas sau say sba sbb sbc sbe sbh sbr sbs sbu sby sca scb scc sce sch scr scs scu se- sea seb sec see seh ser ses seu sey sh- sha shb shc she shh shr shs shu shy sr- sra srb src sre srh srr srs sry ss- ssa ssb ssc sse ssh ssr sss ssu sua sub suc sue suh sur sus suu suy sy- sya syb syc sye syh syr sys syu ua- uaa uab uac uae uah uar uas uau uay uba ubb ubc ube ubh ubr ubs ubu uby uca ucb ucc uce uch ucr ucs ucu uea ueb uec uee ueh uer ues uey uha uhb uhc uhe uhh uhr uhs uhu uhy ur- ura urb urc ure urr urs uru ury usa usb usc use ush usr uss usu uua uuc uue uur uus uuu uyc uys uyu yaa yab yac yae yah yar yas yau yay ybc ybe ybr ybs yby yca ycc yce ych ycs ycu ycy yea yeb yec yee yeh yer yes yey yha yhc yhe yhs yhu yra yrc yre yrs yru ysa ysb ysc yse ysr yss ysu ysy yua yue yuh yur yus yuu yuy yyb yyc yye yys yyu yyy