-er -ey -th a-a a-b a-i a-t aaa aab aae aah aai aar aat aay ab- aba abb abe abh abi abr abt aby aea aeb aee aeh aei aer aet aey aha ahb ahe ahh ahi ahr aht ahy ai- aia aib aie aih aii air ait aiy ar- ara arb are arh ari arr art ary at- ata atb ate ath ati atr att ay- aya aye ayh ayi ayr ayt baa bab bae bah bai bar bat bay bba bbb bbe bbh bbi bbr bbt bby be- bea beb bee beh bei ber bet bey bha bhb bhe bhh bhi bhr bht bi- bia bib bie bih bii bir bit biy bra brb bre brh bri brr brt bry bta btb bte bth bti btr btt bty by- bya bye byh byi byr byt eaa eab eae eah eai ear eat eba ebb ebe ebh ebi ebr ebt eby eea eeb eee eer eet eey eha ehb ehe ehh ehi ehr eht eia eib eie eii eir eit era erb ere erh eri err ert ery eta etb ete eth eti etr ett ety eya eye eyr eyt h-i haa hab hae hah hai har hat hay hba hbb hbe hbh hbi hbr hbt hby he- hea heb hee heh hei her het hey hha hhb hhe hhh hhi hhr hht hhy hia hib hie hih hii hir hit hr- hra hrb hre hrh hri hrr hrt hta htb hte hth hti htr htt hty hy- hya hyb hye hyh hyi hyr hyt hyy ia- iaa iab iae iah iai iar iat iba ibb ibe ibh ibi ibr ibt iby ie- iea iee iei ier iet iey iha ihb ihe ihh ihi ihr iht ihy iia iib iie iih iii iir iit ir- ira irb ire iri irr irt iry ita itb ite ith iti itt ity iya iye iyr iyt iyy ra- raa rab rae rah rai rar rat ray rba rbb rbe rbh rbi rbr rbt re- rea reb ree reh rei rer ret rey rh- rha rhb rhe rhh rhi rhr rht ria rib rie rih rii rir rit riy rra rrb rrh rri rrr rrt rta rtb rte rti rtr rtt rty ry- rya rye ryr ryy taa tab tae tah tai tar tat tay tba tbb tbe tbh tbi tbr tbt te- tea teb tee teh tei ter tet tey th- tha thb the thh thi thr tht thy tia tib tie tih tii tir tit tiy tra trb tre trh tri trr trt try tta ttb tte tth tti ttr ttt tty tya tye tyr tyt yaa yab yae yah yai yar yat yay ybe ybi ybr yby yea yeb yee yeh yei yer yet yey yha yhe yhi yht yie yih yii yir yit yra yre yrt yta yte yth ytr ytt yyb yye yyt yyy