-er -ey a-a a-b a-c aaa aab aac aad aae aah aar aau aay ab- aba abb abc abd abe abh abr abu aby ac- aca acb acc acd ace ach acr acu acy ad- ada adb adc add ade adh adr adu ady aea aeb aec aed aee aeh aer aeu aey aha ahb ahc ahd ahe ahh ahr ahu ahy ar- ara arb arc ard are arh arr aru ary au- aua aub auc aud aue auh aur ay- aya ayc ayd aye ayh ayr ayu b-u baa bab bac bad bae bah bar bau bay bba bbb bbc bbd bbe bbh bbr bbu bby bca bcb bcc bcd bce bch bcr bcu bcy bda bdb bdc bdd bde bdh bdr bdu bdy be- bea beb bec bed bee beh ber beu bey bha bhb bhc bhd bhe bhh bhr bhu bra brb brd bre brh brr bru bry bua bub buc bud bue buh bur buu buy by- bya byc byd bye byh byr byu c-- caa cab cac cad cae cah car cau cay cba cbb cbc cbd cbe cbh cbr cbu cby cca ccb ccc ccd cce cch ccr ccu cda cdb cdc cdd cde cdh cdr cdu cdy ce- cea ceb cec ced cee ceh cer ceu cey ch- cha chb chc chd che chh chr chu chy cra crb crc crd cre crh crr cru cry cua cub cuc cud cue cuh cur cuu cuy cya cyb cyc cyd cye cyr daa dab dac dad dae dah dar dau day dba dbb dbc dbd dbe dbh dbr dbu dby dca dcb dcc dcd dce dcr dcu dda ddb ddc ddd dde ddh ddr ddu ddy de- dea deb dec ded dee deh der deu dey dh- dha dhb dhc dhd dhe dhh dhr dhu dra drb drc drd dre drr dru dry dua dub duc dud due duh dur duy dy- dya dyb dyc dyd dye dyr dyu dyy eaa eab eac ead eae eah ear eau eba ebb ebc ebd ebe ebh ebr ebu eby ec- eca ecb ecc ecd ece ech ecr ecu ed- eda edb edc edd ede edh edr edu edy eea eeb eec eed eee eer eey eha ehb ehc ehd ehe ehh ehr ehu era erb erc erd ere erh err eru ery eu- eua eub euc eud eue eur eya eyc eyd eye eyr haa hab hac had hae hah har hau hay hba hbb hbc hbd hbe hbh hbr hbu hby hca hcb hcc hcd hce hch hcr hcy hda hdb hdc hdd hde hdh hdr hdu hdy he- hea heb hec hed hee heh her heu hey hha hhb hhc hhd hhe hhh hhr hhu hhy hr- hra hrb hrc hrd hre hrh hrr hru hua hub huc hud hue huh hur huu huy hy- hya hyb hyc hyd hye hyh hyr hyy ra- raa rab rac rad rae rah rar rau ray rba rbb rbc rbd rbe rbh rbr rbu rca rcb rcc rcd rce rch rcr rcu rda rdb rdc rdd rde rdh rdr rdu rdy re- rea reb rec red ree reh rer reu rey rh- rha rhb rhc rhd rhe rhh rhr rhu rra rrb rrc rrd rrh rrr rru rua rub ruc rud rue ruh rur ruu ruy ry- rya ryc ryd rye ryr ryu ryy ua- uaa uab uac uad uae uah uar uau uay uba ubb ubc ube ubh ubr ubu uby uca ucb ucc ucd uce uch ucr ucu uda udb udc udd ude udr udu uea ueb uec ued uee ueh uer uey uha uhb uhc uhd uhe uhh uhr uhu uhy ur- ura urb urc urd ure urr uru ury uua uuc uue uur uuu uyc uyu yaa yab yac yad yae yah yar yau yay ybc ybe ybr yby yca ycc ycd yce ych ycu ycy yda yde ydy yea yeb yec yed yee yeh yer yey yha yhc yhe yhu yra yrc yre yru yua yud yue yuh yur yuu yuy yyb yyc yye yyu yyy