-er -up a-a a-c aaa aac aae aag aao aap aar aas aau ac- aca acc ace acg aco acp acr acs acu aea aec aee aeg aeo aep aer aes aeu ag- aga agc age agg ago agp agr ags agu aoa aoc aoe aog aoo aop aor aos aou ap- apa apc ape apg apo app apr aps apu ar- ara arc are arg aro arp arr ars aru as- asa asc ase asg aso asp asr ass asu au- aua auc aue aug auo aup aur aus c-- caa cac cae cag cao cap car cas cau cca ccc cce ccg cco ccp ccr ccs ccu ce- cea cec cee ceg ceo cep cer ces ceu cga cgc cge cgg cgo cgp cgr cgs cgu co- coa coc coe cog coo cop cor cos cou cpa cpc cpe cpg cpo cpp cpr cps cpu cra crc cre crg cro crp crr crs cru csa csc cse csg cso csp csr css csu cua cuc cue cug cuo cup cur cus cuu eaa eac eae eag eao eap ear eas eau ec- eca ecc ece ecg eco ecr ecs ecu eea eec eee eeg eeo eep eer ees ega egc ege egg ego egp egr egs egu eo- eoa eoc eoe eog eoo eop eor eos eou ep- epa epc epe epg epo epp epr eps epu era erc ere erg ero erp err ers eru es- esa esc ese esg eso esp esr ess esu eu- eua euc eue eug eup eur eus g-p gaa gac gae gag gao gap gar gas gau gca gcc gce gcg gco gcp gcr gcs gcu ge- gea gec gee geg geo gep ger ges geu gga ggc ggg ggo ggp ggr ggs ggu goa goc goe gog goo gop gor gos gou gpa gpc gpe gpg gpo gpp gpr gps gpu gra grc gre grg gro grp grr grs gru gsa gsc gse gsg gso gsp gsr gss gsu gu- gua guc gue gug guo gup gur gus guu oaa oac oae oag oao oap oar oas oau oc- oca occ ocg oco ocp ocr ocs ocu oea oec oee oeg oeo oep oer oes oga ogc oge ogg ogo ogp ogs oo- ooa ooc oog ooo oop oor oos op- opa opc ope opg opo opp opr ops or- ora orc ore org oro orp orr ors oru os- osa osc ose osg oso osp osr oss osu ou- oua ouc oue ouo oup our ous p-p paa pac pae pag pao pap par pas pau pca pcc pce pcg pco pcp pcr pcs pcu pea pec pee peg peo pep per pes peu pga pgc pge pgg pgo pgp pgr pgs poa poc poe pog poo pop por pos pou ppa ppc ppe ppg ppo ppp ppr pps ppu pra prc pre prg pro prp prr prs pru ps- psa psc pse psg pso psp psr pss psu pua puc pue pug pup pur pus puu ra- raa rac rae rag rao rap rar ras rau rca rcc rce rcg rco rcp rcr rcs rcu re- rea rec ree reg reo rep rer res reu rga rgc rge rgg rgo rgp rgr rgs roa roc roe rog roo rop ror ros rou rpa rpc rpe rpg rpo rpp rpr rps rpu rra rrc rrg rrp rrr rrs rru rsa rsc rse rsg rso rsp rsr rss rsu rua ruc rue rug ruo rup rur rus ruu saa sac sae sag sao sap sar sas sau sca scc sce scg sco scp scr scs scu se- sea sec see seg seo sep ser ses seu sga sgc sge sgg sgo sgp sgr sgs sgu soa soc soe sog soo sop sor sos sou spa spc spe spg spo spp spr sps spu sr- sra src sre srg sro srp srr srs ss- ssa ssc sse ssg sso ssp ssr sss ssu sua suc sue sug suo sup sur sus suu ua- uaa uac uae uag uao uap uar uas uau uca ucc uce ucg uco ucp ucr ucs ucu uea uec uee ueg uep uer ues uga ugc uge ugg ugo ugp ugr ugs ugu uoa uoc uoe uog uoo uop uor uos up- upa upc upe upg upo upp upr ups upu ur- ura urc ure urg uro urp urr urs uru usa usc use usg uso usp usr uss usu uua uuc uue uug uur uus uuu