-er -up a-a a-c aaa aac aae aag aap aar aas aau ac- aca acc ace acg acp acr acs acu aea aec aee aeg aep aer aes aeu ag- aga agc age agg agp agr ags agu ap- apa apc ape apg app apr aps apu ar- ara arc are arg arp arr ars aru as- asa asc ase asg asp asr ass asu au- aua auc aue aug aup aur aus c-- caa cac cae cag cap car cas cau cca ccc cce ccg ccp ccr ccs ccu ce- cea cec cee ceg cep cer ces ceu cga cgc cge cgg cgp cgr cgs cgu cpa cpc cpe cpg cpp cpr cps cpu cra crc cre crg crp crr crs cru csa csc cse csg csp csr css csu cua cuc cue cug cup cur cus cuu eaa eac eae eag eap ear eas eau ec- eca ecc ece ecg ecr ecs ecu eea eec eee eeg eep eer ees ega egc ege egg egp egr egs egu ep- epa epc epe epg epp epr eps epu era erc ere erg erp err ers eru es- esa esc ese esg esp esr ess esu eu- eua euc eue eug eup eur eus g-p gaa gac gae gag gap gar gas gau gca gcc gce gcg gcp gcr gcs gcu ge- gea gec gee geg gep ger ges geu gga ggc ggg ggp ggr ggs ggu gpa gpc gpe gpg gpp gpr gps gpu gra grc gre grg grp grr grs gru gsa gsc gse gsg gsp gsr gss gsu gu- gua guc gue gug gup gur gus guu p-p paa pac pae pag pap par pas pau pca pcc pce pcg pcp pcr pcs pcu pea pec pee peg pep per pes peu pga pgc pge pgg pgp pgr pgs ppa ppc ppe ppg ppp ppr pps ppu pra prc pre prg prp prr prs pru ps- psa psc pse psg psp psr pss psu pua puc pue pug pup pur pus puu ra- raa rac rae rag rap rar ras rau rca rcc rce rcg rcp rcr rcs rcu re- rea rec ree reg rep rer res reu rga rgc rge rgg rgp rgr rgs rpa rpc rpe rpg rpp rpr rps rpu rra rrc rrg rrp rrr rrs rru rsa rsc rse rsg rsp rsr rss rsu rua ruc rue rug rup rur rus ruu saa sac sae sag sap sar sas sau sca scc sce scg scp scr scs scu se- sea sec see seg sep ser ses seu sga sgc sge sgg sgp sgr sgs sgu spa spc spe spg spp spr sps spu sr- sra src sre srg srp srr srs ss- ssa ssc sse ssg ssp ssr sss ssu sua suc sue sug sup sur sus suu ua- uaa uac uae uag uap uar uas uau uca ucc uce ucg ucp ucr ucs ucu uea uec uee ueg uep uer ues uga ugc uge ugg ugp ugr ugs ugu up- upa upc upe upg upp upr ups upu ur- ura urc ure urg urp urr urs uru usa usc use usg usp usr uss usu uua uuc uue uug uur uus uuu