-th a-a a-b a-t aaa aab aae aah aan aas aat aau ab- aba abb abe abh abn abs abt abu aea aeb aee aeh aen aes aet aeu aha ahb ahe ahh ahn ahs aht ahu an- ana anb ane anh ann ans ant anu as- asa asb ase ash asn ass ast asu at- ata atb ate ath atn ats att atu au- aua aub aue auh aun aus aut b-u baa bab bae bah ban bas bat bau bba bbb bbe bbh bbn bbs bbt bbu be- bea beb bee beh ben bes bet beu bha bhb bhe bhh bhs bht bhu bna bnb bne bnn bns bnt bnu bsa bsb bse bsh bsn bss bst bsu bta btb bte bth btn bts btt btu bua bub bue buh bun bus but buu eaa eab eae eah ean eas eat eau eba ebb ebe ebh ebn ebs ebt ebu eea eeb eee een ees eet eha ehb ehe ehh ehn ehs eht ehu en- ena enb ene enh enn ens ent enu es- esa esb ese esh esn ess est esu eta etb ete eth etn ets ett etu eu- eua eub eue eun eus eut haa hab hae hah han has hat hau hba hbb hbe hbh hbn hbs hbt hbu he- hea heb hee heh hen hes het heu hha hhb hhe hhh hhn hhs hht hhu hna hnb hne hnh hnn hns hnt hnu hsa hsb hse hsh hsn hss hst hsu hta htb hte hth htn hts htt hua hub hue huh hun hus hut huu naa nab nae nah nan nas nat nau nba nbb nbe nbn nbs nbt nbu ne- nea neb nee neh nen nes net neu nha nhb nhe nhh nhn nhs nht nhu nna nnb nne nnh nnn nns nnt nnu nsa nsb nse nsh nsn nss nst nsu nta ntb nte nth ntn nts ntt ntu nua nub nue nuh nun nus nut nuu saa sab sae sah san sas sat sau sba sbb sbe sbh sbn sbs sbt sbu se- sea seb see seh sen ses set seu sh- sha shb she shh shn shs sht shu sna snb sne snn sns snt snu ss- ssa ssb sse ssh ssn sss sst ssu sta stb ste sth stn sts stt stu sua sub sue suh sun sus sut suu taa tab tae tah tan tas tat tau tba tbb tbe tbh tbn tbs tbt tbu te- tea teb tee teh ten tes tet teu th- tha thb the thh thn ths tht thu tna tnb tne tnh tnn tns tnt tsa tsb tse tsh tsn tss tst tsu tta ttb tte tth ttn tts ttt ttu tua tub tue tuh tun tus tut tuu ua- uaa uab uae uah uan uas uat uau uba ubb ube ubh ubn ubs ubt ubu uea ueb uee ueh uen ues uet uha uhb uhe uhh uhs uht uhu un- una unb une unh unn uns unt unu usa usb use ush usn uss ust usu uta utb ute uth utn uts utt utu uua uue uun uus uut uuu