-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aak aal aao aar aas aat ac- aca acc acg aci ack acl aco acr acs act ag- aga agc agg agi agk agl ago agr ags agt ai- aia aic aig aii aik ail aio air ais ait aka akc akg aki akk akl ako akr aks al- ala alc alg ali alk all alo alr als alt aoa aoc aog aoi aok aol aoo aor aos aot ar- ara arc arg ari ark arl aro arr ars art as- asa asc asg asi ask asl aso asr ass ast at- ata atc atg ati atl ato atr ats att c-- caa cac cag cai cak cal cao car cas cat cca ccc ccg cci cck ccl cco ccr ccs cct cga cgc cgg cgi cgl cgo cgr cgs cgt ci- cia cic cig cii cik cil cio cir cis cit cka ckc cki cko cks ckt cl- cla clc clg cli clk cll clo clr cls clt co- coa coc cog coi cok col coo cor cos cot cra crc crg cri crk crl cro crr crs crt csa csc csg csi csk csl cso csr css cst cta ctc ctg cti ctk ctl cto ctr cts ctt gaa gac gag gai gak gal gao gar gas gat gca gcc gcg gci gck gcl gco gcr gcs gct gga ggc ggg ggi ggo ggr ggs ggt gia gic gig gii gik gil gio gir gis git gka gko gks gkt gla glc glg gli glk gll glo glr gls glt goa goc gog goi gok gol goo gor gos got gra grc grg gri grk grl gro grr grs grt gsa gsc gsg gsi gsk gsl gso gsr gss gst gta gtc gtg gti gtk gtl gto gtr gts gtt ia- iaa iac iag iai ial iao iar ias iat ica icc icg ici ick icl ico icr ics ict iga igc igg igi igk igl igo igr igs igt iia iic iii iil iio iir iis iit ika ikc iki ikk ikl iko ikr iks ikt il- ila ilc ilg ili ilk ill ilo ilr ils ilt io- ioa ioc iog ioi iol ioo ior ios iot ir- ira irc irg iri irk irl iro irr irs irt is- isa isc isg isi isk isl iso isr iss ist ita itc itg iti itk itl ito its itt k-t ka- kaa kac kag kai kak kal kao kar kas kat kca kcc kcg kci kck kcl kcr kcs kct kga kgc kgi kgl kgo kgs kia kic kig kii kik kil kio kir kis kit kkc kki kkk kkl kkr kks kkt kl- kla klc klg kli klo klr kls klt koa koc kog koi kok kol koo kor kos kot kra krc krg kri krk krl kro krr krs krt ksa ksc ksg ksi ksk ksl kso ksr kss kst kta ktc ktg ktk ktl kto ktr kts ktt la- laa lac lag lai lak lal lao lar las lat lca lcc lcg lci lck lcl lco lcr lcs lct lga lgc lgg lgi lgk lgl lgo lgr lgs lgt lia lic lig lii lik lil lio lir lis lit lka lkg lkl lkr lks lkt lla llc llg lli llk lll llo llr lls llt loa loc log loi lok lol loo lor los lot lra lrc lrg lri lrk lro lrr lrs lrt lsa lsc lsg lsi lsk lsl lso lsr lss lst lta ltc ltg lti ltk ltl lto ltr lts ltt o-i oaa oac oag oai oak oal oao oar oas oat oc- oca occ ocg oci ock ocl oco ocr ocs oct oga ogc ogg ogi ogl ogo ogs ogt oia oic oii oik oil oio oir ois oit oka okc okg oki okk okl oko okr oks ola olc olg oli olk oll olo ols olt oo- ooa ooc oog ooi ook ool ooo oor oos oot or- ora orc org ori ork orl oro orr ors ort os- osa osc osg osi osk osl oso osr oss ost ot- ota otc otg oti otk otl oto otr ots ott ra- raa rac rag rai rak ral rao rar ras rat rca rcc rcg rci rcl rco rcr rcs rct rga rgc rgg rgi rgk rgo rgr rgs rgt ria ric rig rii rik ril rio rir ris rit rkc rkg rkk rko rks rkt rla rlc rlg rli rll rlo rlr rls rlt roa roc rog roi rok rol roo ror ros rot rra rrc rrg rri rrk rrl rrr rrs rrt rsa rsc rsg rsi rsk rsl rso rsr rss rst rta rtc rtg rti rtk rtl rto rtr rts rtt saa sac sag sai sak sal sao sar sas sat sca scc scg sci sck scl sco scr scs sct sga sgc sgg sgi sgk sgl sgo sgr sgs sgt sia sic sig sii sik sil sio sir sis sit sk- ska skc skg ski skk skl sko skr sks skt sla slc slg sli slk sll slo slr sls slt soa soc sog soi sok sol soo sor sos sot sr- sra src srg sri srk srl sro srr srs srt ss- ssa ssc ssg ssi ssk ssl sso ssr sss sst sta stc stg sti stk stl sto str sts stt taa tac tag tai tak tal tao tar tas tat tca tcc tcg tci tck tcl tco tcr tcs tct tga tgc tgg tgi tgk tgl tgo tgr tgs tgt tia tic tig tii tik til tio tir tis tit tka tkc tkg tkk tkl tko tkr tks tkt tla tlc tlg tli tlk tll tlo tlr tls tlt to- toa toc tog toi tok tol too tor tos tot tra trc trg tri trk trl tro trr trs trt tsa tsc tsg tsi tsk tsl tso tsr tss tst tta ttc ttg tti ttk ttl tto ttr tts ttt