-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aan aao aat aau ab- aba abb abc abh abi abn abo abt abu ac- aca acb acc ach aci acn aco act acu aha ahb ahc ahh ahi ahn aho aht ahu ai- aia aib aic aih aii ain aio ait aiu an- ana anb anc anh ani ann ano ant anu aoa aob aoc aoh aoi aon aoo aot aou at- ata atb atc ath ati atn ato att atu au- aua aub auc auh aui aun auo aut b-u baa bab bac bah bai ban bao bat bau bba bbb bbc bbh bbi bbn bbo bbt bbu bca bcb bcc bch bci bcn bco bct bcu bha bhb bhc bhh bhi bho bht bhu bi- bia bib bic bih bii bin bio bit biu bna bnb bnc bni bnn bno bnt bnu boa bob boc boh boi bon boo bot bou bta btb btc bth bti btn bto btt btu bua bub buc buh bui bun buo but buu c-- caa cab cac cah cai can cao cat cau cba cbb cbc cbh cbi cbn cbo cbt cbu cca ccb ccc cch cci ccn cco cct ccu ch- cha chb chc chh chi chn cho cht chu ci- cia cib cic cih cii cin cio cit ciu cn- cna cnb cnc cnh cni cnn cno cnt cnu co- coa cob coc coh coi con coo cot cou cta ctb ctc cth cti ctn cto ctt ctu cua cub cuc cuh cui cun cuo cut cuu h-i haa hab hac hah hai han hao hat hau hba hbb hbc hbh hbi hbn hbo hbt hbu hca hcb hcc hch hci hcn hco hct hha hhb hhc hhh hhi hhn hho hht hhu hia hib hic hih hii hin hio hit hiu hna hnb hnc hnh hnn hno hnt hnu hoa hob hoc hoh hoi hon hoo hot hou hta htb htc hth hti htn hto htt hua hub huc huh hui hun huo hut huu ia- iaa iab iac iah iai ian iao iat iau iba ibb ibc ibh ibi ibn ibo ibt ibu ica icb icc ich ici icn ico ict icu iha ihb ihc ihh ihi ihn iho iht ihu iia iib iic iih iii iin iio iit iiu in- ina inb inc inh ini inn ino int inu io- ioa iob ioc ioh ioi ion ioo iot iou ita itb itc ith iti itn ito itt itu iu- iua iub iuc iui iut n-i naa nab nac nah nai nan nao nat nau nba nbb nbc nbi nbn nbo nbt nbu nca ncb ncc nch nci ncn nco nct ncu nha nhb nhc nhh nhi nhn nht nhu nia nib nic nih nii nin nio nit niu nna nnb nnc nnh nni nnn nno nnt nnu no- noa nob noc noh noi non noo not nou nta ntb ntc nth nti ntn nto ntt ntu nua nub nuc nuh nui nun nuo nut nuu o-i oaa oab oac oah oai oan oao oat oau ob- oba obb obc obh obi obn obo obt obu oc- oca ocb occ och oci ocn oco oct ocu oha ohc ohh ohi ohn oho oht ohu oia oib oic oii oin oio oit oiu on- ona onb onc onh oni onn ono ont onu oo- ooa oob ooc ooh ooi oon ooo oot ot- ota otb otc oth oti otn oto ott otu ou- oua ouc ouh oui oun ouo out taa tab tac tah tai tan tao tat tau tba tbb tbc tbh tbi tbn tbo tbt tbu tca tcb tcc tch tci tcn tco tct tcu th- tha thb thc thh thi thn tho tht thu tia tib tic tih tii tin tio tit tiu tna tnb tnc tnh tni tnn tno tnt to- toa tob toc toh toi ton too tot tou tta ttb ttc tth tti ttn tto ttt ttu tua tub tuc tuh tui tun tuo tut tuu ua- uaa uab uac uah uai uan uao uat uau uba ubb ubc ubh ubi ubn ubo ubt ubu uca ucb ucc uch uci ucn uco uct ucu uha uhb uhc uhh uhi uho uht uhu uia uib uic uii uin uio uit uiu un- una unb unc unh uni unn uno unt unu uoa uob uoc uon uoo uot uta utb utc uth uti utn uto utt utu uua uuc uun uut uuu