-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aaf aah aai aar aas aat ab- aba abb abc abe abf abh abi abr abs abt ac- aca acb acc ace acf ach aci acr acs act aea aeb aec aee aef aeh aei aer aes aet af- afa afb afc afe aff afh afi afr afs aft aha ahb ahc ahe ahf ahh ahi ahr ahs aht ai- aia aib aic aie aif aih aii air ais ait ar- ara arb arc are arf arh ari arr ars art as- asa asb asc ase asf ash asi asr ass ast at- ata atb atc ate atf ath ati atr ats att baa bab bac bae baf bah bai bar bas bat bba bbb bbc bbe bbf bbh bbi bbr bbs bbt bca bcb bcc bce bcf bch bci bcr bcs bct be- bea beb bec bee bef beh bei ber bes bet bfa bfb bfc bfe bff bfh bfi bfr bfs bft bha bhb bhc bhe bhf bhh bhi bhr bhs bht bi- bia bib bic bie bif bih bii bir bis bit bra brb bre brf brh bri brr brs brt bsa bsb bsc bse bsf bsh bsi bsr bss bst bta btb btc bte btf bth bti btr bts btt c-- caa cab cac cae caf cah cai car cas cat cba cbb cbc cbe cbf cbh cbi cbr cbs cbt cca ccb ccc cce ccf cch cci ccr ccs cct ce- cea ceb cec cee cef ceh cei cer ces cet cfa cfb cfc cfe cff cfh cfi cfr cfs cft ch- cha chb chc che chf chh chi chr chs cht ci- cia cib cic cie cif cih cii cir cis cit cra crb crc cre crf crh cri crr crs crt csa csb csc cse csf csh csi csr css cst cta ctb ctc cte ctf cth cti ctr cts ctt eaa eab eac eae eaf eah eai ear eas eat eba ebb ebc ebe ebf ebh ebi ebr ebs ebt ec- eca ecb ecc ece ecf ech eci ecr ecs ect eea eeb eec eee eef eer ees eet ef- efa efb efc efe eff efh efi efr efs eft eha ehb ehc ehe ehf ehh ehi ehr ehs eht eia eib eic eie eif eii eir eis eit era erb erc ere erf erh eri err ers ert es- esa esb esc ese esf esh esi esr ess est eta etb etc ete etf eth eti etr ets ett faa fab fac fae faf fah fai far fas fat fba fbb fbc fbe fbf fbh fbi fbr fbs fbt fca fcb fcc fce fcf fci fcr fcs fct fea feb fec fee fef feh fei fer fes fet ffa ffc ffe fff ffh ffi ffr ffs fft fha fhb fhc fhe fhf fhh fhi fhr fhs fia fib fic fie fif fih fii fir fis fit fra frb frc fre frf frh fri frr frs frt fsa fsb fsc fse fsf fsh fsi fsr fss fst fta ftb ftc fte ftf fth fti ftr fts ftt h-i haa hab hac hae haf hah hai har has hat hba hbb hbc hbe hbf hbh hbi hbr hbs hbt hca hcb hcc hce hcf hch hci hcr hcs hct he- hea heb hec hee hef heh hei her hes het hfa hfb hfc hfe hff hfh hfi hfr hfs hft hha hhb hhc hhe hhf hhh hhi hhr hhs hht hia hib hic hie hif hih hii hir his hit hr- hra hrb hrc hre hrf hrh hri hrr hrs hrt hsa hsb hsc hse hsf hsh hsi hsr hss hst hta htb htc hte htf hth hti htr hts htt i-f ia- iaa iab iac iae iaf iah iai iar ias iat iba ibb ibc ibe ibf ibh ibi ibr ibs ibt ica icb icc ice icf ich ici icr ics ict ie- iea iec iee ief iei ier ies iet ifa ifb ifc ife iff ifi ifr ifs ift iha ihb ihc ihe ihf ihh ihi ihr ihs iht iia iib iic iie iif iih iii iir iis iit ir- ira irb irc ire irf iri irr irs irt is- isa isb isc ise isf ish isi isr iss ist ita itb itc ite itf ith iti its itt ra- raa rab rac rae raf rah rai rar ras rat rba rbb rbc rbe rbf rbh rbi rbr rbs rbt rca rcb rcc rce rcf rch rci rcr rcs rct re- rea reb rec ree ref reh rei rer res ret rfa rfb rfc rfe rff rfh rfi rfr rfs rft rh- rha rhb rhc rhe rhf rhh rhi rhr rhs rht ria rib ric rie rif rih rii rir ris rit rra rrb rrc rrf rrh rri rrr rrs rrt rsa rsb rsc rse rsf rsh rsi rsr rss rst rta rtb rtc rte rtf rti rtr rts rtt saa sab sac sae saf sah sai sar sas sat sba sbb sbc sbe sbf sbh sbi sbr sbs sbt sca scb scc sce scf sch sci scr scs sct se- sea seb sec see sef seh sei ser ses set sfa sfb sfc sfe sff sfh sfi sfr sfs sft sh- sha shb shc she shf shh shi shr shs sht sia sib sic sie sif sih sii sir sis sit sr- sra srb src sre srf srh sri srr srs srt ss- ssa ssb ssc sse ssf ssh ssi ssr sss sst sta stb stc ste stf sth sti str sts stt taa tab tac tae taf tah tai tar tas tat tba tbb tbc tbe tbf tbh tbi tbr tbs tbt tca tcb tcc tce tcf tch tci tcr tcs tct te- tea teb tec tee tef teh tei ter tes tet tfa tfb tfc tfe tff tfh tfi tfr tfs tft th- tha thb thc the thf thh thi thr ths tht tia tib tic tie tif tih tii tir tis tit tra trb trc