-ic -th a-a a-c a-i a-t aaa aac aag aah aai aao aar aas aat ac- aca acc acg ach aci aco acr acs act ag- aga agc agg agh agi ago agr ags agt aha ahc ahg ahh ahi aho ahr ahs aht ai- aia aic aig aih aii aio air ais ait aoa aoc aog aoh aoi aoo aor aos aot ar- ara arc arg arh ari aro arr ars art as- asa asc asg ash asi aso asr ass ast at- ata atc atg ath ati ato atr ats att c-- caa cac cag cah cai cao car cas cat cca ccc ccg cch cci cco ccr ccs cct cga cgc cgg cgh cgi cgo cgr cgs cgt ch- cha chc chg chh chi cho chr chs cht ci- cia cic cig cih cii cio cir cis cit co- coa coc cog coh coi coo cor cos cot cra crc crg crh cri cro crr crs crt csa csc csg csh csi cso csr css cst cta ctc ctg cth cti cto ctr cts ctt gaa gac gag gah gai gao gar gas gat gca gcc gcg gch gci gco gcr gcs gct gga ggc ggg ggh ggi ggo ggr ggs ggt gha ghc ghg ghh ghi gho ghr ghs ght gia gic gig gih gii gio gir gis git goa goc gog goh goi goo gor gos got gra grc grg grh gri gro grr grs grt gsa gsc gsg gsi gso gsr gss gst gta gtc gtg gth gti gto gtr gts gtt h-i haa hac hag hah hai hao har has hat hca hcc hcg hch hci hco hcr hcs hct hga hgc hgg hgh hgi hgo hgr hgs hgt hha hhc hhg hhh hhi hho hhr hhs hht hia hic hig hih hii hio hir his hit hoa hoc hog hoh hoi hoo hor hos hot hr- hra hrc hrg hrh hri hro hrr hrs hrt hsa hsc hsg hsh hsi hsr hss hst hta htc htg hth hti hto htr hts htt ia- iaa iac iag iah iai iao iar ias iat ica icc icg ich ici ico icr ics ict iga igc igg igh igi igo igr igs igt iha ihc ihg ihh ihi iho ihr ihs iht iia iic iih iii iio iir iis iit io- ioa ioc iog ioh ioi ioo ior ios iot ir- ira irc irg iri iro irr irs irt is- isa isc isg ish isi iso isr iss ist ita itc itg ith iti ito its itt o-i oaa oac oag oah oai oao oar oas oat oc- oca occ ocg och oci oco ocr ocs oct oga ogc ogg ogh ogi ogo ogs ogt oha ohc ohg ohh ohi oho ohr ohs oht oia oic oii oio oir ois oit oo- ooa ooc oog ooh ooi ooo oor oos oot or- ora orc org orh ori oro orr ors ort os- osa osc osg osh osi oso osr oss ost ot- ota otc otg oth oti oto otr ots ott ra- raa rac rag rah rai rao rar ras rat rca rcc rcg rch rci rco rcr rcs rct rga rgc rgg rgh rgi rgo rgr rgs rgt rh- rha rhc rhg rhh rhi rho rhr rhs rht ria ric rig rih rii rio rir ris rit roa roc rog roh roi roo ror ros rot rra rrc rrg rrh rri rrr rrs rrt rsa rsc rsg rsh rsi rso rsr rss rst rta rtc rtg rti rto rtr rts rtt saa sac sag sah sai sao sar sas sat sca scc scg sch sci sco scr scs sct sga sgc sgg sgh sgi sgo sgr sgs sgt sh- sha shc shg shh shi sho shr shs sht sia sic sig sih sii sio sir sis sit soa soc sog soh soi soo sor sos sot sr- sra src srg srh sri sro srr srs srt ss- ssa ssc ssg ssh ssi sso ssr sss sst sta stc stg sth sti sto str sts stt taa tac tag tah tai tao tar tas tat tca tcc tcg tch tci tco tcr tcs tct tga tgc tgg tgh tgi tgo tgr tgs tgt th- tha thc thg thh thi tho thr ths tht tia tic tig tih tii tio tir tis tit to- toa toc tog toh toi too tor tos tot tra trc trg trh tri tro trr trs trt tsa tsc tsg tsh tsi tso tsr tss tst tta ttc ttg tth tti tto ttr tts ttt