-er -up a-a a-c aaa aac aae aag aan aap aar aau ac- aca acc ace acg acn acp acr acu aea aec aee aeg aen aep aer aeu ag- aga agc age agg agn agp agr agu an- ana anc ane ang ann anp anr anu ap- apa apc ape apg apn app apr apu ar- ara arc are arg arn arp arr aru au- aua auc aue aug aun aup aur c-- caa cac cae cag can cap car cau cca ccc cce ccg ccn ccp ccr ccu ce- cea cec cee ceg cen cep cer ceu cga cgc cge cgg cgn cgp cgr cgu cn- cna cnc cne cng cnn cnp cnr cnu cpa cpc cpe cpg cpn cpp cpr cpu cra crc cre crg crn crp crr cru cua cuc cue cug cun cup cur cuu eaa eac eae eag ean eap ear eau ec- eca ecc ece ecg ecn ecr ecu eea eec eee eeg een eep eer ega egc ege egg egn egp egr egu en- ena enc ene eng enn enp enr enu ep- epa epc epe epg epn epp epr epu era erc ere erg ern erp err eru eu- eua euc eue eug eun eup eur g-p gaa gac gae gag gan gap gar gau gca gcc gce gcg gcn gcp gcr gcu ge- gea gec gee geg gen gep ger geu gga ggc ggg ggn ggp ggr ggu gna gnc gne gnn gnp gnr gnu gpa gpc gpe gpg gpn gpp gpr gpu gra grc gre grg grn grp grr gru gu- gua guc gue gug gun gup gur guu naa nac nae nag nan nap nar nau nca ncc nce ncg ncn ncp ncr ncu ne- nea nec nee neg nen nep ner neu nga ngc nge ngg ngn ngp ngu nna nnc nne nng nnn nnp nnu npa npc npe npg npn npp npr npu nra nrc nre nrg nrn nrp nrr nru nua nuc nue nug nun nup nur nuu p-p paa pac pae pag pan pap par pau pca pcc pce pcg pcn pcp pcr pcu pea pec pee peg pen pep per peu pga pgc pge pgg pgn pgp pgr pn- pna pnc pne png pnn pnp pnr pnu ppa ppc ppe ppg ppn ppp ppr ppu pra prc pre prg prn prp prr pru pua puc pue pug pun pup pur puu ra- raa rac rae rag ran rap rar rau rca rcc rce rcg rcn rcp rcr rcu re- rea rec ree reg ren rep rer reu rga rgc rge rgg rgn rgp rgr rna rnc rng rnn rnp rnr rnu rpa rpc rpe rpg rpn rpp rpr rpu rra rrc rrg rrn rrp rrr rru rua ruc rue rug run rup rur ruu ua- uaa uac uae uag uan uap uar uau uca ucc uce ucg ucn ucp ucr ucu uea uec uee ueg uen uep uer uga ugc uge ugg ugn ugp ugr ugu un- una unc une ung unn unp unr unu up- upa upc upe upg upn upp upr upu ur- ura urc ure urg urn urp urr uru uua uuc uue uug uun uur uuu