-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aas aat ab- aba abb abc abe abh abi abs abt ac- aca acb acc ace ach aci acs act aea aeb aec aee aeh aei aes aet aha ahb ahc ahe ahh ahi ahs aht ai- aia aib aic aie aih aii ais ait as- asa asb asc ase ash asi ass ast at- ata atb atc ate ath ati ats att baa bab bac bae bah bai bas bat bba bbb bbc bbe bbh bbi bbs bbt bca bcb bcc bce bch bci bcs bct be- bea beb bec bee beh bei bes bet bha bhb bhc bhe bhh bhi bhs bht bi- bia bib bic bie bih bii bis bit bsa bsb bsc bse bsh bsi bss bst bta btb btc bte bth bti bts btt c-- caa cab cac cae cah cai cas cat cba cbb cbc cbe cbh cbi cbs cbt cca ccb ccc cce cch cci ccs cct ce- cea ceb cec cee ceh cei ces cet ch- cha chb chc che chh chi chs cht ci- cia cib cic cie cih cii cis cit csa csb csc cse csh csi css cst cta ctb ctc cte cth cti cts ctt eaa eab eac eae eah eai eas eat eba ebb ebc ebe ebh ebi ebs ebt ec- eca ecb ecc ece ech eci ecs ect eea eeb eec eee ees eet eha ehb ehc ehe ehh ehi ehs eht eia eib eic eie eii eis eit es- esa esb esc ese esh esi ess est eta etb etc ete eth eti ets ett h-i haa hab hac hae hah hai has hat hba hbb hbc hbe hbh hbi hbs hbt hca hcb hcc hce hch hci hcs hct he- hea heb hec hee heh hei hes het hha hhb hhc hhe hhh hhi hhs hht hia hib hic hie hih hii his hit hsa hsb hsc hse hsh hsi hss hst hta htb htc hte hth hti hts htt ia- iaa iab iac iae iah iai ias iat iba ibb ibc ibe ibh ibi ibs ibt ica icb icc ice ich ici ics ict ie- iea iec iee iei ies iet iha ihb ihc ihe ihh ihi ihs iht iia iib iic iie iih iii iis iit is- isa isb isc ise ish isi iss ist ita itb itc ite ith iti its itt saa sab sac sae sah sai sas sat sba sbb sbc sbe sbh sbi sbs sbt sca scb scc sce sch sci scs sct se- sea seb sec see seh sei ses set sh- sha shb shc she shh shi shs sht sia sib sic sie sih sii sis sit ss- ssa ssb ssc sse ssh ssi sss sst sta stb stc ste sth sti sts stt taa tab tac tae tah tai tas tat tba tbb tbc tbe tbh tbi tbs tbt tca tcb tcc tce tch tci tcs tct te- tea teb tec tee teh tei tes tet th- tha thb thc the thh thi ths tht tia tib tic tie tih tii tis tit tsa tsb tsc tse tsh tsi tss tst tta ttb ttc tte tth tti tts ttt