-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aaf aah aai aan aat ab- aba abb abc abe abf abh abi abn abt ac- aca acb acc ace acf ach aci acn act aea aeb aec aee aef aeh aei aen aet af- afa afb afc afe aff afh afi afn aft aha ahb ahc ahe ahf ahh ahi ahn aht ai- aia aib aic aie aif aih aii ain ait an- ana anb anc ane anf anh ani ann ant at- ata atb atc ate atf ath ati atn att baa bab bac bae baf bah bai ban bat bba bbb bbc bbe bbf bbh bbi bbn bbt bca bcb bcc bce bcf bch bci bcn bct be- bea beb bec bee bef beh bei ben bet bfa bfb bfc bfe bff bfh bfi bfn bft bha bhb bhc bhe bhf bhh bhi bht bi- bia bib bic bie bif bih bii bin bit bna bnb bnc bne bnf bni bnn bnt bta btb btc bte btf bth bti btn btt c-- caa cab cac cae caf cah cai can cat cba cbb cbc cbe cbf cbh cbi cbn cbt cca ccb ccc cce ccf cch cci ccn cct ce- cea ceb cec cee cef ceh cei cen cet cfa cfb cfc cfe cff cfh cfi cfn cft ch- cha chb chc che chf chh chi chn cht ci- cia cib cic cie cif cih cii cin cit cn- cna cnb cnc cne cnf cnh cni cnn cnt cta ctb ctc cte ctf cth cti ctn ctt eaa eab eac eae eaf eah eai ean eat eba ebb ebc ebe ebf ebh ebi ebn ebt ec- eca ecb ecc ece ecf ech eci ecn ect eea eeb eec eee eef een eet ef- efa efb efc efe eff efh efi eft eha ehb ehc ehe ehf ehh ehi ehn eht eia eib eic eie eif eii ein eit en- ena enb enc ene enf enh eni enn ent eta etb etc ete etf eth eti etn ett faa fab fac fae faf fah fai fan fat fba fbb fbc fbe fbf fbh fbi fbn fbt fca fcb fcc fce fcf fci fcn fct fea feb fec fee fef feh fei fen fet ffa ffc ffe fff ffh ffi ffn fft fha fhb fhc fhe fhf fhh fhi fhn fia fib fic fie fif fih fii fin fit fna fnb fnc fne fnf fnh fni fnn fnt fta ftb ftc fte ftf fth fti ftn ftt h-i haa hab hac hae haf hah hai han hat hba hbb hbc hbe hbf hbh hbi hbn hbt hca hcb hcc hce hcf hch hci hcn hct he- hea heb hec hee hef heh hei hen het hfa hfb hfc hfe hff hfh hfi hfn hft hha hhb hhc hhe hhf hhh hhi hhn hht hia hib hic hie hif hih hii hin hit hna hnb hnc hne hnf hnh hnn hnt hta htb htc hte htf hth hti htn htt i-f ia- iaa iab iac iae iaf iah iai ian iat iba ibb ibc ibe ibf ibh ibi ibn ibt ica icb icc ice icf ich ici icn ict ie- iea iec iee ief iei ien iet ifa ifb ifc ife iff ifi ifn ift iha ihb ihc ihe ihf ihh ihi ihn iht iia iib iic iie iif iih iii iin iit in- ina inb inc ine inf inh ini inn int ita itb itc ite itf ith iti itn itt n-i naa nab nac nae naf nah nai nan nat nba nbb nbc nbe nbf nbi nbn nbt nca ncb ncc nce ncf nch nci ncn nct ne- nea neb nec nee nef neh nei nen net nfa nfb nfc nfe nff nfi nfn nft nha nhb nhc nhe nhf nhh nhi nhn nht nia nib nic nie nif nih nii nin nit nna nnb nnc nne nnf nnh nni nnn nnt nta ntb ntc nte ntf nth nti ntn ntt taa tab tac tae taf tah tai tan tat tba tbb tbc tbe tbf tbh tbi tbn tbt tca tcb tcc tce tcf tch tci tcn tct te- tea teb tec tee tef teh tei ten tet tfa tfb tfc tfe tff tfh tfi tfn tft th- tha thb thc the thf thh thi thn tht tia tib tic tie tif tih tii tin tit tna tnb tnc tne tnf tnh tni tnn tnt tta ttb ttc tte ttf tth tti ttn ttt