-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aar aas aat ab- aba abb abc abh abi abr abs abt ac- aca acb acc ach aci acr acs act aha ahb ahc ahh ahi ahr ahs aht ai- aia aib aic aih aii air ais ait ar- ara arb arc arh ari arr ars art as- asa asb asc ash asi asr ass ast at- ata atb atc ath ati atr ats att baa bab bac bah bai bar bas bat bba bbb bbc bbh bbi bbr bbs bbt bca bcb bcc bch bci bcr bcs bct bha bhb bhc bhh bhi bhr bhs bht bi- bia bib bic bih bii bir bis bit bra brb brh bri brr brs brt bsa bsb bsc bsh bsi bsr bss bst bta btb btc bth bti btr bts btt c-- caa cab cac cah cai car cas cat cba cbb cbc cbh cbi cbr cbs cbt cca ccb ccc cch cci ccr ccs cct ch- cha chb chc chh chi chr chs cht ci- cia cib cic cih cii cir cis cit cra crb crc crh cri crr crs crt csa csb csc csh csi csr css cst cta ctb ctc cth cti ctr cts ctt h-i haa hab hac hah hai har has hat hba hbb hbc hbh hbi hbr hbs hbt hca hcb hcc hch hci hcr hcs hct hha hhb hhc hhh hhi hhr hhs hht hia hib hic hih hii hir his hit hr- hra hrb hrc hrh hri hrr hrs hrt hsa hsb hsc hsh hsi hsr hss hst hta htb htc hth hti htr hts htt ia- iaa iab iac iah iai iar ias iat iba ibb ibc ibh ibi ibr ibs ibt ica icb icc ich ici icr ics ict iha ihb ihc ihh ihi ihr ihs iht iia iib iic iih iii iir iis iit ir- ira irb irc iri irr irs irt is- isa isb isc ish isi isr iss ist ita itb itc ith iti its itt ra- raa rab rac rah rai rar ras rat rba rbb rbc rbh rbi rbr rbs rbt rca rcb rcc rch rci rcr rcs rct rh- rha rhb rhc rhh rhi rhr rhs rht ria rib ric rih rii rir ris rit rra rrb rrc rrh rri rrr rrs rrt rsa rsb rsc rsh rsi rsr rss rst rta rtb rtc rti rtr rts rtt saa sab sac sah sai sar sas sat sba sbb sbc sbh sbi sbr sbs sbt sca scb scc sch sci scr scs sct sh- sha shb shc shh shi shr shs sht sia sib sic sih sii sir sis sit sr- sra srb src srh sri srr srs srt ss- ssa ssb ssc ssh ssi ssr sss sst sta stb stc sth sti str sts stt taa tab tac tah tai tar tas tat tba tbb tbc tbh tbi tbr tbs tbt tca tcb tcc tch tci tcr tcs tct th- tha thb thc thh thi thr ths tht tia tib tic tih tii tir tis tit tra trb trc trh tri trr trs trt tsa tsb tsc tsh tsi tsr tss tst tta ttb ttc tth tti ttr tts ttt