-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aap aar aas aat ab- aba abb abc abh abi abp abr abs abt ac- aca acb acc ach aci acp acr acs act aha ahb ahc ahh ahi ahp ahr ahs aht ai- aia aib aic aih aii aip air ais ait ap- apa apb apc aph api app apr aps apt ar- ara arb arc arh ari arp arr ars art as- asa asb asc ash asi asp asr ass ast at- ata atb atc ath ati atp atr ats att b-p baa bab bac bah bai bap bar bas bat bba bbb bbc bbh bbi bbp bbr bbs bbt bca bcb bcc bch bci bcp bcr bcs bct bha bhb bhc bhh bhi bhp bhr bhs bht bi- bia bib bic bih bii bip bir bis bit bpa bpb bpc bph bpi bpp bpr bps bpt bra brb brh bri brp brr brs brt bsa bsb bsc bsh bsi bsp bsr bss bst bta btb btc bth bti btp btr bts btt c-- caa cab cac cah cai cap car cas cat cba cbb cbc cbh cbi cbp cbr cbs cbt cca ccb ccc cch cci ccp ccr ccs cct ch- cha chb chc chh chi chp chr chs cht ci- cia cib cic cih cii cip cir cis cit cpa cpb cpc cph cpi cpp cpr cps cpt cra crb crc crh cri crp crr crs crt csa csb csc csh csi csp csr css cst cta ctb ctc cth cti ctp ctr cts ctt h-i haa hab hac hah hai hap har has hat hba hbb hbc hbh hbi hbp hbr hbs hbt hca hcb hcc hch hci hcp hcr hcs hct hha hhb hhc hhh hhi hhp hhr hhs hht hia hib hic hih hii hip hir his hit hpa hpb hpc hph hpi hpp hpr hps hpt hr- hra hrb hrc hrh hri hrp hrr hrs hrt hsa hsb hsc hsh hsi hsp hsr hss hst hta htb htc hth hti htp htr hts htt ia- iaa iab iac iah iai iap iar ias iat iba ibb ibc ibh ibi ibp ibr ibs ibt ica icb icc ich ici icp icr ics ict iha ihb ihc ihh ihi ihp ihr ihs iht iia iib iic iih iii iip iir iis iit ipa ipb ipc ipi ipp ipr ips ipt ir- ira irb irc iri irp irr irs irt is- isa isb isc ish isi isp isr iss ist ita itb itc ith iti itp its itt p-p paa pab pac pah pai pap par pas pat pba pbb pbc pbi pbp pbr pbs pbt pca pcb pcc pch pci pcp pcr pcs pct pha phb phc phi php phr phs pht pia pib pic pih pii pip pir pis pit ppa ppb ppc pph ppi ppp ppr pps ppt pra prb prc prh pri prp prr prs prt ps- psa psb psc psh psi psp psr pss pst pt- pta ptb ptc pth pti ptp ptr pts ptt ra- raa rab rac rah rai rap rar ras rat rba rbb rbc rbh rbi rbp rbr rbs rbt rca rcb rcc rch rci rcp rcr rcs rct rh- rha rhb rhc rhh rhi rhp rhr rhs rht ria rib ric rih rii rip rir ris rit rpa rpb rpc rph rpi rpp rpr rps rpt rra rrb rrc rrh rri rrp rrr rrs rrt rsa rsb rsc rsh rsi rsp rsr rss rst rta rtb rtc rti rtp rtr rts rtt saa sab sac sah sai sap sar sas sat sba sbb sbc sbh sbi sbp sbr sbs sbt sca scb scc sch sci scp scr scs sct sh- sha shb shc shh shi shp shr shs sht sia sib sic sih sii sip sir sis sit spa spb spc sph spi spp spr sps spt sr- sra srb src srh sri srp srr srs srt ss- ssa ssb ssc ssh ssi ssp ssr sss sst sta stb stc sth sti stp str sts stt taa tab tac tah tai tap tar tas tat tba tbb tbc tbh tbi tbp tbr tbs tbt tca tcb tcc tch tci tcp tcr tcs tct th- tha thb thc thh thi thp thr ths tht tia tib tic tih tii tip tir tis tit tpa tpb tpc tph tpi tpp tpr tps tpt tra trb trc trh tri trp trr trs trt tsa tsb tsc tsh tsi tsp tsr tss tst tta ttb ttc tth tti ttp ttr tts ttt