-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aaf aah aai aat ab- aba abb abc abe abf abh abi abt ac- aca acb acc ace acf ach aci act aea aeb aec aee aef aeh aei aet af- afa afb afc afe aff afh afi aft aha ahb ahc ahe ahf ahh ahi aht ai- aia aib aic aie aif aih aii ait at- ata atb atc ate atf ath ati att baa bab bac bae baf bah bai bat bba bbb bbc bbe bbf bbh bbi bbt bca bcb bcc bce bcf bch bci bct be- bea beb bec bee bef beh bei bet bfa bfb bfc bfe bff bfh bfi bft bha bhb bhc bhe bhf bhh bhi bht bi- bia bib bic bie bif bih bii bit bta btb btc bte btf bth bti btt c-- caa cab cac cae caf cah cai cat cba cbb cbc cbe cbf cbh cbi cbt cca ccb ccc cce ccf cch cci cct ce- cea ceb cec cee cef ceh cei cet cfa cfb cfc cfe cff cfh cfi cft ch- cha chb chc che chf chh chi cht ci- cia cib cic cie cif cih cii cit cta ctb ctc cte ctf cth cti ctt eaa eab eac eae eaf eah eai eat eba ebb ebc ebe ebf ebh ebi ebt ec- eca ecb ecc ece ecf ech eci ect eea eeb eec eee eef eet ef- efa efb efc efe eff efh efi eft eha ehb ehc ehe ehf ehh ehi eht eia eib eic eie eif eii eit eta etb etc ete etf eth eti ett faa fab fac fae faf fah fai fat fba fbb fbc fbe fbf fbh fbi fbt fca fcb fcc fce fcf fci fct fea feb fec fee fef feh fei fet ffa ffc ffe fff ffh ffi fft fha fhb fhc fhe fhf fhh fhi fia fib fic fie fif fih fii fit fta ftb ftc fte ftf fth fti ftt h-i haa hab hac hae haf hah hai hat hba hbb hbc hbe hbf hbh hbi hbt hca hcb hcc hce hcf hch hci hct he- hea heb hec hee hef heh hei het hfa hfb hfc hfe hff hfh hfi hft hha hhb hhc hhe hhf hhh hhi hht hia hib hic hie hif hih hii hit hta htb htc hte htf hth hti htt i-f ia- iaa iab iac iae iaf iah iai iat iba ibb ibc ibe ibf ibh ibi ibt ica icb icc ice icf ich ici ict ie- iea iec iee ief iei iet ifa ifb ifc ife iff ifi ift iha ihb ihc ihe ihf ihh ihi iht iia iib iic iie iif iih iii iit ita itb itc ite itf ith iti itt taa tab tac tae taf tah tai tat tba tbb tbc tbe tbf tbh tbi tbt tca tcb tcc tce tcf tch tci tct te- tea teb tec tee tef teh tei tet tfa tfb tfc tfe tff tfh tfi tft th- tha thb thc the thf thh thi tht tia tib tic tie tif tih tii tit tta ttb ttc tte ttf tth tti ttt