-er -th a-a a-b a-i a-t aaa aab aae aah aai aar aat aau ab- aba abb abe abh abi abr abt abu aea aeb aee aeh aei aer aet aeu aha ahb ahe ahh ahi ahr aht ahu ai- aia aib aie aih aii air ait aiu ar- ara arb are arh ari arr art aru at- ata atb ate ath ati atr att atu au- aua aub aue auh aui aur aut b-u baa bab bae bah bai bar bat bau bba bbb bbe bbh bbi bbr bbt bbu be- bea beb bee beh bei ber bet beu bha bhb bhe bhh bhi bhr bht bhu bi- bia bib bie bih bii bir bit biu bra brb bre brh bri brr brt bru bta btb bte bth bti btr btt btu bua bub bue buh bui bur but buu eaa eab eae eah eai ear eat eau eba ebb ebe ebh ebi ebr ebt ebu eea eeb eee eer eet eha ehb ehe ehh ehi ehr eht ehu eia eib eie eii eir eit eiu era erb ere erh eri err ert eru eta etb ete eth eti etr ett etu eu- eua eub eue eui eur eut h-i haa hab hae hah hai har hat hau hba hbb hbe hbh hbi hbr hbt hbu he- hea heb hee heh hei her het heu hha hhb hhe hhh hhi hhr hht hhu hia hib hie hih hii hir hit hiu hr- hra hrb hre hrh hri hrr hrt hru hta htb hte hth hti htr htt hua hub hue huh hui hur hut huu ia- iaa iab iae iah iai iar iat iau iba ibb ibe ibh ibi ibr ibt ibu ie- iea iee iei ier iet iha ihb ihe ihh ihi ihr iht ihu iia iib iie iih iii iir iit iiu ir- ira irb ire iri irr irt iru ita itb ite ith iti itt itu iu- iua iub iue iui iur iut ra- raa rab rae rah rai rar rat rau rba rbb rbe rbh rbi rbr rbt rbu re- rea reb ree reh rei rer ret reu rh- rha rhb rhe rhh rhi rhr rht rhu ria rib rie rih rii rir rit rra rrb rrh rri rrr rrt rru rta rtb rte rti rtr rtt rtu rua rub rue ruh rui rur rut ruu taa tab tae tah tai tar tat tau tba tbb tbe tbh tbi tbr tbt tbu te- tea teb tee teh tei ter tet teu th- tha thb the thh thi thr tht thu tia tib tie tih tii tir tit tiu tra trb tre trh tri trr trt tru tta ttb tte tth tti ttr ttt ttu tua tub tue tuh tui tur tut tuu ua- uaa uab uae uah uai uar uat uau uba ubb ube ubh ubi ubr ubt ubu uea ueb uee ueh uei uer uet uha uhb uhe uhh uhi uhr uht uhu uia uib uie uii uir uit uiu ur- ura urb ure uri urr urt uru uta utb ute uth uti utr utt utu uua uue uur uut uuu