-al -ic -ol a-a a-c a-i a-t aaa aac aag aai aal aao aar aas aat aau ac- aca acc acg aci acl aco acr acs act acu ag- aga agc agg agi agl ago agr ags agt agu ai- aia aic aig aii ail aio air ais ait aiu al- ala alc alg ali all alo alr als alt alu aoa aoc aog aoi aol aoo aor aos aot aou ar- ara arc arg ari arl aro arr ars art aru as- asa asc asg asi asl aso asr ass ast asu at- ata atc atg ati atl ato atr ats att atu au- aua auc aug aui aul auo aur aus aut c-- caa cac cag cai cal cao car cas cat cau cca ccc ccg cci ccl cco ccr ccs cct ccu cga cgc cgg cgi cgl cgo cgr cgs cgt cgu ci- cia cic cig cii cil cio cir cis cit ciu cl- cla clc clg cli cll clo clr cls clt clu co- coa coc cog coi col coo cor cos cot cou cra crc crg cri crl cro crr crs crt cru csa csc csg csi csl cso csr css cst csu cta ctc ctg cti ctl cto ctr cts ctt ctu cua cuc cug cui cul cuo cur cus cut cuu gaa gac gag gai gal gao gar gas gat gau gca gcc gcg gci gcl gco gcr gcs gct gcu gga ggc ggg ggi ggo ggr ggs ggt ggu gia gic gig gii gil gio gir gis git giu gla glc glg gli gll glo glr gls glt glu goa goc gog goi gol goo gor gos got gou gra grc grg gri grl gro grr grs grt gru gsa gsc gsg gsi gsl gso gsr gss gst gsu gta gtc gtg gti gtl gto gtr gts gtt gtu gu- gua guc gug gui gul guo gur gus gut guu ia- iaa iac iag iai ial iao iar ias iat iau ica icc icg ici icl ico icr ics ict icu iga igc igg igi igl igo igr igs igt igu iia iic iii iil iio iir iis iit iiu il- ila ilc ilg ili ill ilo ilr ils ilt ilu io- ioa ioc iog ioi iol ioo ior ios iot iou ir- ira irc irg iri irl iro irr irs irt iru is- isa isc isg isi isl iso isr iss ist isu ita itc itg iti itl ito its itt itu iu- iua iuc iug iui iur ius iut la- laa lac lag lai lal lao lar las lat lau lca lcc lcg lci lcl lco lcr lcs lct lcu lga lgc lgg lgi lgl lgo lgr lgs lgt lgu lia lic lig lii lil lio lir lis lit liu lla llc llg lli lll llo llr lls llt llu loa loc log loi lol loo lor los lot lou lra lrc lrg lri lro lrr lrs lrt lru lsa lsc lsg lsi lsl lso lsr lss lst lsu lta ltc ltg lti ltl lto ltr lts ltt ltu lua luc lug lui lul luo lur lus lut luu o-i oaa oac oag oai oal oao oar oas oat oau oc- oca occ ocg oci ocl oco ocr ocs oct ocu oga ogc ogg ogi ogl ogo ogs ogt oia oic oii oil oio oir ois oit oiu ola olc olg oli oll olo ols olt olu oo- ooa ooc oog ooi ool ooo oor oos oot or- ora orc org ori orl oro orr ors ort oru os- osa osc osg osi osl oso osr oss ost osu ot- ota otc otg oti otl oto otr ots ott otu ou- oua ouc oui oul ouo our ous out ra- raa rac rag rai ral rao rar ras rat rau rca rcc rcg rci rcl rco rcr rcs rct rcu rga rgc rgg rgi rgo rgr rgs rgt ria ric rig rii ril rio rir ris rit rla rlc rlg rli rll rlo rlr rls rlt rlu roa roc rog roi rol roo ror ros rot rou rra rrc rrg rri rrl rrr rrs rrt rru rsa rsc rsg rsi rsl rso rsr rss rst rsu rta rtc rtg rti rtl rto rtr rts rtt rtu rua ruc rug rui ruo rur rus rut ruu saa sac sag sai sal sao sar sas sat sau sca scc scg sci scl sco scr scs sct scu sga sgc sgg sgi sgl sgo sgr sgs sgt sgu sia sic sig sii sil sio sir sis sit siu sla slc slg sli sll slo slr sls slt slu soa soc sog soi sol soo sor sos sot sou sr- sra src srg sri srl sro srr srs srt ss- ssa ssc ssg ssi ssl sso ssr sss sst ssu sta stc stg sti stl sto str sts stt stu sua suc sug sui sul suo sur sus sut suu taa tac tag tai tal tao tar tas tat tau tca tcc tcg tci tcl tco tcr tcs tct tcu tga tgc tgg tgi tgl tgo tgr tgs tgt tgu tia tic tig tii til tio tir tis tit tiu tla tlc tlg tli tll tlo tlr tls tlt tlu to- toa toc tog toi tol too tor tos tot tou tra trc trg tri trl tro trr trs trt tru tsa tsc tsg tsi tsl tso tsr tss tst tsu tta ttc ttg tti ttl tto ttr tts ttt ttu tua tuc tug tui tul tuo tur tus tut tuu ua- uaa uac uag uai ual uao uar uas uat uau uca ucc ucg uci ucl uco ucr ucs uct ucu uga ugc ugg ugi ugl ugo ugr ugs ugt ugu uia uic uig uii uil uio uir uis uit uiu ula ulc ulg uli ull ulo ulr uls ult ulu uoa uoc uog uol uoo uor uos uot ur- ura urc urg uri url uro urr urs urt uru usa usc usg usi usl uso usr uss ust usu uta utc uti