-er -ic -th a-a a-c a-i a-t aaa aac aad aae aag aah aai aar aas aat ac- aca acc acd ace acg ach aci acr acs act ad- ada adc add ade adg adh adi adr ads adt aea aec aed aee aeg aeh aei aer aes aet ag- aga agc agd age agg agh agi agr ags agt aha ahc ahd ahe ahg ahh ahi ahr ahs aht ai- aia aic aid aie aig aih aii air ais ait ar- ara arc ard are arg arh ari arr ars art as- asa asc asd ase asg ash asi asr ass ast at- ata atc atd ate atg ath ati atr ats att c-- caa cac cad cae cag cah cai car cas cat cca ccc ccd cce ccg cch cci ccr ccs cct cda cdc cdd cde cdg cdh cdi cdr cds cdt ce- cea cec ced cee ceg ceh cei cer ces cet cga cgc cgd cge cgg cgh cgi cgr cgs cgt ch- cha chc chd che chg chh chi chr chs cht ci- cia cic cid cie cig cih cii cir cis cit cra crc crd cre crg crh cri crr crs crt csa csc csd cse csg csh csi csr css cst cta ctc ctd cte ctg cth cti ctr cts ctt daa dac dad dae dag dah dai dar das dat dca dcc dcd dce dcg dci dcr dcs dct dda ddc ddd dde ddg ddh ddi ddr dds ddt de- dea dec ded dee deg deh dei der des det dga dgc dgd dge dgg dgh dgi dgr dgs dgt dh- dha dhc dhd dhe dhh dhi dhr dhs dht di- dia dic did die dig dih dii dir dis dit dra drc drd dre drg dri drr drs drt dsa dsc dsd dse dsg dsh dsi dsr dss dst dta dtc dtd dte dtg dth dti dtr dts dtt eaa eac ead eae eag eah eai ear eas eat ec- eca ecc ecd ece ecg ech eci ecr ecs ect ed- eda edc edd ede edg edh edi edr eds edt eea eec eed eee eeg eer ees eet ega egc egd ege egg egh egi egr egs egt eha ehc ehd ehe ehg ehh ehi ehr ehs eht eia eic eid eie eig eii eir eis eit era erc erd ere erg erh eri err ers ert es- esa esc esd ese esg esh esi esr ess est eta etc etd ete etg eth eti etr ets ett g-d gaa gac gad gae gag gah gai gar gas gat gca gcc gcd gce gcg gch gci gcr gcs gct gda gdc gdd gde gdh gdi gdr gds gdt ge- gea gec ged gee geg geh gei ger ges get gga ggc ggd ggg ggh ggi ggr ggs ggt gha ghc ghd ghe ghg ghh ghi ghr ghs ght gia gic gid gie gig gih gii gir gis git gra grc grd gre grg grh gri grr grs grt gsa gsc gsd gse gsg gsi gsr gss gst gta gtc gtd gte gtg gth gti gtr gts gtt h-i haa hac had hae hag hah hai har has hat hca hcc hcd hce hcg hch hci hcr hcs hct hda hdc hdd hde hdg hdh hdi hdr hds hdt he- hea hec hed hee heg heh hei her hes het hga hgc hge hgg hgh hgi hgr hgs hgt hha hhc hhd hhe hhg hhh hhi hhr hhs hht hia hic hid hie hig hih hii hir his hit hr- hra hrc hrd hre hrg hrh hri hrr hrs hrt hsa hsc hsd hse hsg hsh hsi hsr hss hst hta htc htd hte htg hth hti htr hts htt i-d ia- iaa iac iad iae iag iah iai iar ias iat ica icc icd ice icg ich ici icr ics ict ida idc idd ide idg idh idi idr ids idt ie- iea iec ied iee ieg iei ier ies iet iga igc igd ige igg igh igi igr igs igt iha ihc ihd ihe ihg ihh ihi ihr ihs iht iia iic iid iie iih iii iir iis iit ir- ira irc ird ire irg iri irr irs irt is- isa isc isd ise isg ish isi isr iss ist ita itc itd ite itg ith iti its itt ra- raa rac rad rae rag rah rai rar ras rat rca rcc rcd rce rcg rch rci rcr rcs rct rda rdc rdd rde rdg rdh rdi rdr rds rdt re- rea rec red ree reg reh rei rer res ret rga rgc rgd rge rgg rgh rgi rgr rgs rgt rh- rha rhc rhd rhe rhg rhh rhi rhr rhs rht ria ric rid rie rig rih rii rir ris rit rra rrc rrd rrg rrh rri rrr rrs rrt rsa rsc rsd rse rsg rsh rsi rsr rss rst rta rtc rtd rte rtg rti rtr rts rtt saa sac sad sae sag sah sai sar sas sat sca scc scd sce scg sch sci scr scs sct sda sdc sdd sde sdg sdh sdi sdr sds sdt se- sea sec sed see seg seh sei ser ses set sga sgc sgd sge sgg sgh sgi sgr sgs sgt sh- sha shc shd she shg shh shi shr shs sht sia sic sid sie sig sih sii sir sis sit sr- sra src srd sre srg srh sri srr srs srt ss- ssa ssc ssd sse ssg ssh ssi ssr sss sst sta stc std ste stg sth sti str sts stt taa tac tad tae tag tah tai tar tas tat tca tcc tcd tce tcg tch tci tcr tcs tct tda tdc tdd tde tdg tdh tdi tdr tds tdt te- tea tec ted tee teg teh tei ter tes tet tga tgc tge tgg tgh tgi tgr tgs tgt th- tha thc thd the thg thh thi thr ths tht tia tic tid tie tig tih tii tir tis tit tra trc trd tre