-al -ol a-a a-c aaa aac aag aal aao aar aas aau ac- aca acc acg acl aco acr acs acu ag- aga agc agg agl ago agr ags agu al- ala alc alg all alo alr als alu aoa aoc aog aol aoo aor aos aou ar- ara arc arg arl aro arr ars aru as- asa asc asg asl aso asr ass asu au- aua auc aug aul auo aur aus c-- caa cac cag cal cao car cas cau cca ccc ccg ccl cco ccr ccs ccu cga cgc cgg cgl cgo cgr cgs cgu cl- cla clc clg cll clo clr cls clu co- coa coc cog col coo cor cos cou cra crc crg crl cro crr crs cru csa csc csg csl cso csr css csu cua cuc cug cul cuo cur cus cuu gaa gac gag gal gao gar gas gau gca gcc gcg gcl gco gcr gcs gcu gga ggc ggg ggo ggr ggs ggu gla glc glg gll glo glr gls glu goa goc gog gol goo gor gos gou gra grc grg grl gro grr grs gru gsa gsc gsg gsl gso gsr gss gsu gu- gua guc gug gul guo gur gus guu la- laa lac lag lal lao lar las lau lca lcc lcg lcl lco lcr lcs lcu lga lgc lgg lgl lgo lgr lgs lgu lla llc llg lll llo llr lls llu loa loc log lol loo lor los lou lra lrc lrg lro lrr lrs lru lsa lsc lsg lsl lso lsr lss lsu lua luc lug lul luo lur lus luu oaa oac oag oal oao oar oas oau oc- oca occ ocg ocl oco ocr ocs ocu oga ogc ogg ogl ogo ogs ola olc olg oll olo ols olu oo- ooa ooc oog ool ooo oor oos or- ora orc org orl oro orr ors oru os- osa osc osg osl oso osr oss osu ou- oua ouc oul ouo our ous ra- raa rac rag ral rao rar ras rau rca rcc rcg rcl rco rcr rcs rcu rga rgc rgg rgo rgr rgs rla rlc rlg rll rlo rlr rls rlu roa roc rog rol roo ror ros rou rra rrc rrg rrl rrr rrs rru rsa rsc rsg rsl rso rsr rss rsu rua ruc rug ruo rur rus ruu saa sac sag sal sao sar sas sau sca scc scg scl sco scr scs scu sga sgc sgg sgl sgo sgr sgs sgu sla slc slg sll slo slr sls slu soa soc sog sol soo sor sos sou sr- sra src srg srl sro srr srs ss- ssa ssc ssg ssl sso ssr sss ssu sua suc sug sul suo sur sus suu ua- uaa uac uag ual uao uar uas uau uca ucc ucg ucl uco ucr ucs ucu uga ugc ugg ugl ugo ugr ugs ugu ula ulc ulg ull ulo ulr uls ulu uoa uoc uog uol uoo uor uos ur- ura urc urg url uro urr urs uru usa usc usg usl uso usr uss usu uua uuc uug uur uus uuu