-th a-a a-b a-c a-t aaa aab aac aae aah aak aan aat aau ab- aba abb abc abe abh abk abn abt abu ac- aca acb acc ace ach ack acn act acu aea aeb aec aee aeh aek aen aet aeu aha ahb ahc ahe ahh ahk ahn aht ahu aka akb akc ake akh akk akn aku an- ana anb anc ane anh ank ann ant anu at- ata atb atc ate ath atn att atu au- aua aub auc aue auh auk aun aut b-u baa bab bac bae bah bak ban bat bau bba bbb bbc bbe bbh bbk bbn bbt bbu bca bcb bcc bce bch bck bcn bct bcu be- bea beb bec bee beh bek ben bet beu bha bhb bhc bhe bhh bhk bht bhu bka bkb bkc bke bkk bkn bkt bna bnb bnc bne bnk bnn bnt bnu bta btb btc bte bth btk btn btt btu bua bub buc bue buh buk bun but buu c-- caa cab cac cae cah cak can cat cau cba cbb cbc cbe cbh cbk cbn cbt cbu cca ccb ccc cce cch cck ccn cct ccu ce- cea ceb cec cee ceh cek cen cet ceu ch- cha chb chc che chh chk chn cht chu cka ckb ckc ckh ckt cn- cna cnb cnc cne cnh cnn cnt cnu cta ctb ctc cte cth ctk ctn ctt ctu cua cub cuc cue cuh cuk cun cut cuu eaa eab eac eae eah eak ean eat eau eba ebb ebc ebe ebh ebk ebn ebt ebu ec- eca ecb ecc ece ech eck ecn ect ecu eea eeb eec eee eek een eet eha ehb ehc ehe ehh ehn eht ehu eka ekb ekc eke ekh ekt eku en- ena enb enc ene enh enk enn ent enu eta etb etc ete eth etk etn ett etu eu- eua eub euc eue eun eut haa hab hac hae hah hak han hat hau hba hbb hbc hbe hbh hbk hbn hbt hbu hca hcb hcc hce hch hck hcn hct he- hea heb hec hee heh hek hen het heu hha hhb hhc hhe hhh hhk hhn hht hhu hka hkb hkh hkk hkn hkt hku hna hnb hnc hne hnh hnk hnn hnt hnu hta htb htc hte hth htk htn htt hua hub huc hue huh huk hun hut huu k-t ka- kaa kab kac kae kah kak kan kat kau kba kbb kbc kbe kbh kbk kbn kbu kca kcb kcc kce kch kck kcn kct kcu ke- kea keb kec kee keh kek ken ket kha khe khh khk khn khu kkb kkc kke kkh kkk kkn kkt kku kn- kna knc kne knk knn knt knu kta ktb ktc kte kth ktk ktn ktt ktu kub kuc kue kuh kuk kun kut kuu naa nab nac nae nah nak nan nat nau nba nbb nbc nbe nbk nbn nbt nbu nca ncb ncc nce nch nck ncn nct ncu ne- nea neb nec nee neh nek nen net neu nha nhb nhc nhe nhh nhk nhn nht nhu nka nkc nke nkk nkn nkt nku nna nnb nnc nne nnh nnk nnn nnt nnu nta ntb ntc nte nth ntk ntn ntt ntu nua nub nuc nue nuh nuk nun nut nuu taa tab tac tae tah tak tan tat tau tba tbb tbc tbe tbh tbk tbn tbt tbu tca tcb tcc tce tch tck tcn tct tcu te- tea teb tec tee teh tek ten tet teu th- tha thb thc the thh thk thn tht thu tka tkb tkc tke tkk tkt tna tnb tnc tne tnh tnk tnn tnt tta ttb ttc tte tth ttk ttn ttt ttu tua tub tuc tue tuh tuk tun tut tuu ua- uaa uab uac uae uah uak uan uat uau uba ubb ubc ube ubh ubk ubn ubt ubu uca ucb ucc uce uch uck ucn uct ucu uea ueb uec uee ueh uen uet uha uhb uhc uhe uhh uht uhu uka ukb ukc uke ukk ukn uku un- una unb unc une unh unk unn unt unu uta utb utc ute uth utk utn utt utu uua uuc uue uun uut uuu