-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aan aat aau ab- aba abb abc abh abi abn abt abu ac- aca acb acc ach aci acn act acu aha ahb ahc ahh ahi ahn aht ahu ai- aia aib aic aih aii ain ait aiu an- ana anb anc anh ani ann ant anu at- ata atb atc ath ati atn att atu au- aua aub auc auh aui aun aut b-u baa bab bac bah bai ban bat bau bba bbb bbc bbh bbi bbn bbt bbu bca bcb bcc bch bci bcn bct bcu bha bhb bhc bhh bhi bht bhu bi- bia bib bic bih bii bin bit biu bna bnb bnc bni bnn bnt bnu bta btb btc bth bti btn btt btu bua bub buc buh bui bun but buu c-- caa cab cac cah cai can cat cau cba cbb cbc cbh cbi cbn cbt cbu cca ccb ccc cch cci ccn cct ccu ch- cha chb chc chh chi chn cht chu ci- cia cib cic cih cii cin cit ciu cn- cna cnb cnc cnh cni cnn cnt cnu cta ctb ctc cth cti ctn ctt ctu cua cub cuc cuh cui cun cut cuu h-i haa hab hac hah hai han hat hau hba hbb hbc hbh hbi hbn hbt hbu hca hcb hcc hch hci hcn hct hha hhb hhc hhh hhi hhn hht hhu hia hib hic hih hii hin hit hiu hna hnb hnc hnh hnn hnt hnu hta htb htc hth hti htn htt hua hub huc huh hui hun hut huu ia- iaa iab iac iah iai ian iat iau iba ibb ibc ibh ibi ibn ibt ibu ica icb icc ich ici icn ict icu iha ihb ihc ihh ihi ihn iht ihu iia iib iic iih iii iin iit iiu in- ina inb inc inh ini inn int inu ita itb itc ith iti itn itt itu iu- iua iub iuc iui iut n-i naa nab nac nah nai nan nat nau nba nbb nbc nbi nbn nbt nbu nca ncb ncc nch nci ncn nct ncu nha nhb nhc nhh nhi nhn nht nhu nia nib nic nih nii nin nit niu nna nnb nnc nnh nni nnn nnt nnu nta ntb ntc nth nti ntn ntt ntu nua nub nuc nuh nui nun nut nuu taa tab tac tah tai tan tat tau tba tbb tbc tbh tbi tbn tbt tbu tca tcb tcc tch tci tcn tct tcu th- tha thb thc thh thi thn tht thu tia tib tic tih tii tin tit tiu tna tnb tnc tnh tni tnn tnt tta ttb ttc tth tti ttn ttt ttu tua tub tuc tuh tui tun tut tuu ua- uaa uab uac uah uai uan uat uau uba ubb ubc ubh ubi ubn ubt ubu uca ucb ucc uch uci ucn uct ucu uha uhb uhc uhh uhi uht uhu uia uib uic uii uin uit uiu un- una unb unc unh uni unn unt unu uta utb utc uth uti utn utt utu uua uuc uun uut uuu