-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aan aas aat ab- aba abb abc abh abi abn abs abt ac- aca acb acc ach aci acn acs act aha ahb ahc ahh ahi ahn ahs aht ai- aia aib aic aih aii ain ais ait an- ana anb anc anh ani ann ans ant as- asa asb asc ash asi asn ass ast at- ata atb atc ath ati atn ats att baa bab bac bah bai ban bas bat bba bbb bbc bbh bbi bbn bbs bbt bca bcb bcc bch bci bcn bcs bct bha bhb bhc bhh bhi bhs bht bi- bia bib bic bih bii bin bis bit bna bnb bnc bni bnn bns bnt bsa bsb bsc bsh bsi bsn bss bst bta btb btc bth bti btn bts btt c-- caa cab cac cah cai can cas cat cba cbb cbc cbh cbi cbn cbs cbt cca ccb ccc cch cci ccn ccs cct ch- cha chb chc chh chi chn chs cht ci- cia cib cic cih cii cin cis cit cn- cna cnb cnc cnh cni cnn cns cnt csa csb csc csh csi csn css cst cta ctb ctc cth cti ctn cts ctt h-i haa hab hac hah hai han has hat hba hbb hbc hbh hbi hbn hbs hbt hca hcb hcc hch hci hcn hcs hct hha hhb hhc hhh hhi hhn hhs hht hia hib hic hih hii hin his hit hna hnb hnc hnh hnn hns hnt hsa hsb hsc hsh hsi hsn hss hst hta htb htc hth hti htn hts htt ia- iaa iab iac iah iai ian ias iat iba ibb ibc ibh ibi ibn ibs ibt ica icb icc ich ici icn ics ict iha ihb ihc ihh ihi ihn ihs iht iia iib iic iih iii iin iis iit in- ina inb inc inh ini inn ins int is- isa isb isc ish isi isn iss ist ita itb itc ith iti itn its itt n-i naa nab nac nah nai nan nas nat nba nbb nbc nbi nbn nbs nbt nca ncb ncc nch nci ncn ncs nct nha nhb nhc nhh nhi nhn nhs nht nia nib nic nih nii nin nis nit nna nnb nnc nnh nni nnn nns nnt nsa nsb nsc nsh nsi nsn nss nst nta ntb ntc nth nti ntn nts ntt saa sab sac sah sai san sas sat sba sbb sbc sbh sbi sbn sbs sbt sca scb scc sch sci scn scs sct sh- sha shb shc shh shi shn shs sht sia sib sic sih sii sin sis sit sna snb snc sni snn sns snt ss- ssa ssb ssc ssh ssi ssn sss sst sta stb stc sth sti stn sts stt taa tab tac tah tai tan tas tat tba tbb tbc tbh tbi tbn tbs tbt tca tcb tcc tch tci tcn tcs tct th- tha thb thc thh thi thn ths tht tia tib tic tih tii tin tis tit tna tnb tnc tnh tni tnn tns tnt tsa tsb tsc tsh tsi tsn tss tst tta ttb ttc tth tti ttn tts ttt