a-a a-c aaa aac aag aak aan aar aas aau ac- aca acc acg ack acn acr acs acu ag- aga agc agg agk agn agr ags agu aka akc akg akk akn akr aks aku an- ana anc ang ank ann anr ans anu ar- ara arc arg ark arn arr ars aru as- asa asc asg ask asn asr ass asu au- aua auc aug auk aun aur aus c-- caa cac cag cak can car cas cau cca ccc ccg cck ccn ccr ccs ccu cga cgc cgg cgn cgr cgs cgu cka ckc cks cn- cna cnc cng cnn cnr cns cnu cra crc crg crk crn crr crs cru csa csc csg csk csn csr css csu cua cuc cug cuk cun cur cus cuu gaa gac gag gak gan gar gas gau gca gcc gcg gck gcn gcr gcs gcu gga ggc ggg ggn ggr ggs ggu gka gkn gks gna gnc gnn gnr gns gnu gra grc grg grk grn grr grs gru gsa gsc gsg gsk gsn gsr gss gsu gu- gua guc gug guk gun gur gus guu ka- kaa kac kag kak kan kar kas kau kca kcc kcg kck kcn kcr kcs kcu kga kgc kgs kgu kkc kkk kkn kkr kks kku kn- kna knc kng knk knn knr knu kra krc krg krk krn krr krs kru ksa ksc ksg ksk ksn ksr kss ksu kuc kug kuk kun kur kus kuu naa nac nag nak nan nar nas nau nca ncc ncg nck ncn ncr ncs ncu nga ngc ngg ngk ngn ngs ngu nka nkc nkk nkn nkr nks nku nna nnc nng nnk nnn nns nnu nra nrc nrg nrk nrn nrr nrs nru nsa nsc nsg nsk nsn nsr nss nsu nua nuc nug nuk nun nur nus nuu ra- raa rac rag rak ran rar ras rau rca rcc rcg rcn rcr rcs rcu rga rgc rgg rgk rgn rgr rgs rkc rkg rkk rks rku rna rnc rng rnn rnr rns rnu rra rrc rrg rrk rrn rrr rrs rru rsa rsc rsg rsk rsn rsr rss rsu rua ruc rug ruk run rur rus ruu saa sac sag sak san sar sas sau sca scc scg sck scn scr scs scu sga sgc sgg sgk sgn sgr sgs sgu sk- ska skc skg skk skr sks sku sna snc sng snk snn snr sns snu sr- sra src srg srk srn srr srs ss- ssa ssc ssg ssk ssn ssr sss ssu sua suc sug suk sun sur sus suu ua- uaa uac uag uak uan uar uas uau uca ucc ucg uck ucn ucr ucs ucu uga ugc ugg ugk ugn ugr ugs ugu uka ukc ukk ukn ukr uku un- una unc ung unk unn unr uns unu ur- ura urc urg urk urn urr urs uru usa usc usg usk usn usr uss usu uua uuc uug uun uur uus uuu