-th a-a a-b a-t aaa aab aae aah aan aao aat aau ab- aba abb abe abh abn abo abt abu aea aeb aee aeh aen aeo aet aeu aha ahb ahe ahh ahn aho aht ahu an- ana anb ane anh ann ano ant anu aoa aob aoe aoh aon aoo aot aou at- ata atb ate ath atn ato att atu au- aua aub aue auh aun auo aut b-u baa bab bae bah ban bao bat bau bba bbb bbe bbh bbn bbo bbt bbu be- bea beb bee beh ben beo bet beu bha bhb bhe bhh bho bht bhu bna bnb bne bnn bno bnt bnu boa bob boe boh bon boo bot bou bta btb bte bth btn bto btt btu bua bub bue buh bun buo but buu eaa eab eae eah ean eao eat eau eba ebb ebe ebh ebn ebo ebt ebu eea eeb eee een eeo eet eha ehb ehe ehh ehn eho eht ehu en- ena enb ene enh enn eno ent enu eo- eoa eob eoe eoh eon eoo eot eou eta etb ete eth etn eto ett etu eu- eua eub eue eun eut haa hab hae hah han hao hat hau hba hbb hbe hbh hbn hbo hbt hbu he- hea heb hee heh hen heo het heu hha hhb hhe hhh hhn hho hht hhu hna hnb hne hnh hnn hno hnt hnu hoa hob hoe hoh hon hoo hot hou hta htb hte hth htn hto htt hua hub hue huh hun huo hut huu naa nab nae nah nan nao nat nau nba nbb nbe nbn nbo nbt nbu ne- nea neb nee neh nen neo net neu nha nhb nhe nhh nhn nht nhu nna nnb nne nnh nnn nno nnt nnu no- noa nob noe noh non noo not nou nta ntb nte nth ntn nto ntt ntu nua nub nue nuh nun nuo nut nuu oaa oab oae oah oan oao oat oau ob- oba obb obe obh obn obo obt obu oea oeb oee oeh oen oeo oet oha ohe ohh ohn oho oht ohu on- ona onb one onh onn ono ont onu oo- ooa oob ooh oon ooo oot ot- ota otb ote oth otn oto ott otu ou- oua oue ouh oun ouo out taa tab tae tah tan tao tat tau tba tbb tbe tbh tbn tbo tbt tbu te- tea teb tee teh ten teo tet teu th- tha thb the thh thn tho tht thu tna tnb tne tnh tnn tno tnt to- toa tob toe toh ton too tot tou tta ttb tte tth ttn tto ttt ttu tua tub tue tuh tun tuo tut tuu ua- uaa uab uae uah uan uao uat uau uba ubb ube ubh ubn ubo ubt ubu uea ueb uee ueh uen uet uha uhb uhe uhh uho uht uhu un- una unb une unh unn uno unt unu uoa uob uoe uon uoo uot uta utb ute uth utn uto utt utu uua uue uun uut uuu