-er -th a-a a-b a-t aaa aab aae aah aao aar aas aat aau ab- aba abb abe abh abo abr abs abt abu aea aeb aee aeh aeo aer aes aet aeu aha ahb ahe ahh aho ahr ahs aht ahu aoa aob aoe aoh aoo aor aos aot aou ar- ara arb are arh aro arr ars art aru as- asa asb ase ash aso asr ass ast asu at- ata atb ate ath ato atr ats att atu au- aua aub aue auh auo aur aus aut b-u baa bab bae bah bao bar bas bat bau bba bbb bbe bbh bbo bbr bbs bbt bbu be- bea beb bee beh beo ber bes bet beu bha bhb bhe bhh bho bhr bhs bht bhu boa bob boe boh boo bor bos bot bou bra brb bre brh bro brr brs brt bru bsa bsb bse bsh bso bsr bss bst bsu bta btb bte bth bto btr bts btt btu bua bub bue buh buo bur bus but buu eaa eab eae eah eao ear eas eat eau eba ebb ebe ebh ebo ebr ebs ebt ebu eea eeb eee eeo eer ees eet eha ehb ehe ehh eho ehr ehs eht ehu eo- eoa eob eoe eoh eoo eor eos eot eou era erb ere erh ero err ers ert eru es- esa esb ese esh eso esr ess est esu eta etb ete eth eto etr ets ett etu eu- eua eub eue eur eus eut haa hab hae hah hao har has hat hau hba hbb hbe hbh hbo hbr hbs hbt hbu he- hea heb hee heh heo her hes het heu hha hhb hhe hhh hho hhr hhs hht hhu hoa hob hoe hoh hoo hor hos hot hou hr- hra hrb hre hrh hro hrr hrs hrt hru hsa hsb hse hsh hsr hss hst hsu hta htb hte hth hto htr hts htt hua hub hue huh huo hur hus hut huu oaa oab oae oah oao oar oas oat oau ob- oba obb obe obh obo obr obs obt obu oea oeb oee oeh oeo oer oes oet oha ohe ohh oho ohr ohs oht ohu oo- ooa oob ooh ooo oor oos oot or- ora orb ore orh oro orr ors ort oru os- osa osb ose osh oso osr oss ost osu ot- ota otb ote oth oto otr ots ott otu ou- oua oue ouh ouo our ous out ra- raa rab rae rah rao rar ras rat rau rba rbb rbe rbh rbo rbr rbs rbt rbu re- rea reb ree reh reo rer res ret reu rh- rha rhb rhe rhh rho rhr rhs rht rhu roa rob roe roh roo ror ros rot rou rra rrb rrh rrr rrs rrt rru rsa rsb rse rsh rso rsr rss rst rsu rta rtb rte rto rtr rts rtt rtu rua rub rue ruh ruo rur rus rut ruu saa sab sae sah sao sar sas sat sau sba sbb sbe sbh sbo sbr sbs sbt sbu se- sea seb see seh seo ser ses set seu sh- sha shb she shh sho shr shs sht shu soa sob soe soh soo sor sos sot sou sr- sra srb sre srh sro srr srs srt ss- ssa ssb sse ssh sso ssr sss sst ssu sta stb ste sth sto str sts stt stu sua sub sue suh suo sur sus sut suu taa tab tae tah tao tar tas tat tau tba tbb tbe tbh tbo tbr tbs tbt tbu te- tea teb tee teh teo ter tes tet teu th- tha thb the thh tho thr ths tht thu to- toa tob toe toh too tor tos tot tou tra trb tre trh tro trr trs trt tru tsa tsb tse tsh tso tsr tss tst tsu tta ttb tte tth tto ttr tts ttt ttu tua tub tue tuh tuo tur tus tut tuu ua- uaa uab uae uah uao uar uas uat uau uba ubb ube ubh ubo ubr ubs ubt ubu uea ueb uee ueh uer ues uet uha uhb uhe uhh uho uhr uhs uht uhu uoa uob uoe uoo uor uos uot ur- ura urb ure uro urr urs urt uru usa usb use ush uso usr uss ust usu uta utb ute uth uto utr uts utt utu uua uue uur uus uut uuu