-er -ey -th a-a a-b a-t aaa aab aae aah aar aat aau aay ab- aba abb abe abh abr abt abu aby aea aeb aee aeh aer aet aeu aey aha ahb ahe ahh ahr aht ahu ahy ar- ara arb are arh arr art aru ary at- ata atb ate ath atr att atu au- aua aub aue auh aur aut ay- aya aye ayh ayr ayt ayu b-u baa bab bae bah bar bat bau bay bba bbb bbe bbh bbr bbt bbu bby be- bea beb bee beh ber bet beu bey bha bhb bhe bhh bhr bht bhu bra brb bre brh brr brt bru bry bta btb bte bth btr btt btu bty bua bub bue buh bur but buu buy by- bya bye byh byr byt byu eaa eab eae eah ear eat eau eba ebb ebe ebh ebr ebt ebu eby eea eeb eee eer eet eey eha ehb ehe ehh ehr eht ehu era erb ere erh err ert eru ery eta etb ete eth etr ett etu ety eu- eua eub eue eur eut eya eye eyr eyt haa hab hae hah har hat hau hay hba hbb hbe hbh hbr hbt hbu hby he- hea heb hee heh her het heu hey hha hhb hhe hhh hhr hht hhu hhy hr- hra hrb hre hrh hrr hrt hru hta htb hte hth htr htt hty hua hub hue huh hur hut huu huy hy- hya hyb hye hyh hyr hyt hyy ra- raa rab rae rah rar rat rau ray rba rbb rbe rbh rbr rbt rbu re- rea reb ree reh rer ret reu rey rh- rha rhb rhe rhh rhr rht rhu rra rrb rrh rrr rrt rru rta rtb rte rtr rtt rtu rty rua rub rue ruh rur rut ruu ruy ry- rya rye ryr ryu ryy taa tab tae tah tar tat tau tay tba tbb tbe tbh tbr tbt tbu te- tea teb tee teh ter tet teu tey th- tha thb the thh thr tht thu thy tra trb tre trh trr trt tru try tta ttb tte tth ttr ttt ttu tty tua tub tue tuh tur tut tuu tuy tya tye tyr tyt ua- uaa uab uae uah uar uat uau uay uba ubb ube ubh ubr ubt ubu uby uea ueb uee ueh uer uet uey uha uhb uhe uhh uhr uht uhu uhy ur- ura urb ure urr urt uru ury uta utb ute uth utr utt utu uty uua uue uur uut uuu uyu yaa yab yae yah yar yat yau yay ybe ybr yby yea yeb yee yeh yer yet yey yha yhe yht yhu yra yre yrt yru yta yte yth ytr ytt ytu yua yue yuh yur yut yuu yuy yyb yye yyt yyu yyy