a-a a-c aaa aac aag aar aas aau aav aay ac- aca acc acg acr acs acu acv acy ag- aga agc agg agr ags agu agv agy ar- ara arc arg arr ars aru arv ary as- asa asc asg asr ass asu asv asy au- aua auc aug aur aus auv av- ava avc avg avr avs avu avy ay- aya ayc ayr ays ayu c-- caa cac cag car cas cau cav cay cca ccc ccg ccr ccs ccu ccv cga cgc cgg cgr cgs cgu cgv cgy cra crc crg crr crs cru crv cry csa csc csg csr css csu csv csy cua cuc cug cur cus cuu cuv cuy cva cvc cvg cvr cvs cvu cvv cya cyc cyg cyr cys gaa gac gag gar gas gau gav gay gca gcc gcg gcr gcs gcu gga ggc ggg ggr ggs ggu ggv gra grc grg grr grs gru grv gry gsa gsc gsg gsr gss gsu gsv gu- gua guc gug gur gus guu guv guy gva gvc gvg gvr gvs gvu gy- gya gyr gys ra- raa rac rag rar ras rau rav ray rca rcc rcg rcr rcs rcu rcv rga rgc rgg rgr rgs rgv rra rrc rrg rrr rrs rru rsa rsc rsg rsr rss rsu rsv rua ruc rug rur rus ruu ruv ruy rva rvc rvg rvr rvs rvu rvv rvy ry- rya ryc ryg ryr rys ryu ryy saa sac sag sar sas sau sav say sca scc scg scr scs scu scv sga sgc sgg sgr sgs sgu sgv sr- sra src srg srr srs srv sry ss- ssa ssc ssg ssr sss ssu ssv sua suc sug sur sus suu suv suy sva svc svg svr svs svu svv svy sy- sya syc syg syr sys syu ua- uaa uac uag uar uas uau uav uay uca ucc ucg ucr ucs ucu ucv uga ugc ugg ugr ugs ugu ur- ura urc urg urr urs uru ury usa usc usg usr uss usu usv uua uuc uug uur uus uuu uva uvc uvs uvu uvv uyc uys uyu v-a vaa vac vag var vas vau vav vay vca vcc vcr vcs vcu vcy vga vgc vgg vgr vgs vgu vra vrc vrg vrr vrs vru vry vsa vsc vsg vsr vss vsu vsv vug vur vus vuv vva vvc vvg vvr vvs vvv vyg yaa yac yag yar yas yau yav yay yca ycc ycs ycu ycv ycy yga ygc yra yrc yrg yrs yru ysa ysc ysg ysr yss ysu ysy yua yug yur yus yuu yuv yuy yva yvr yvy yyc yyg yys yyu yyy