-er a-a a-c aaa aac aae aag aah aan aao aap aar aas ac- aca acc ace acg ach acn aco acp acr acs aea aec aee aeg aeh aen aeo aep aer aes ag- aga agc age agg agh agn ago agp agr ags aha ahc ahe ahg ahh ahn aho ahp ahr ahs an- ana anc ane ang anh ann ano anp anr ans aoa aoc aoe aog aoh aon aoo aop aor aos ap- apa apc ape apg aph apn apo app apr aps ar- ara arc are arg arh arn aro arp arr ars as- asa asc ase asg ash asn aso asp asr ass c-- caa cac cae cag cah can cao cap car cas cca ccc cce ccg cch ccn cco ccp ccr ccs ce- cea cec cee ceg ceh cen ceo cep cer ces cga cgc cge cgg cgh cgn cgo cgp cgr cgs ch- cha chc che chg chh chn cho chp chr chs cn- cna cnc cne cng cnh cnn cno cnp cnr cns co- coa coc coe cog coh con coo cop cor cos cpa cpc cpe cpg cph cpn cpo cpp cpr cps cra crc cre crg crh crn cro crp crr crs csa csc cse csg csh csn cso csp csr css eaa eac eae eag eah ean eao eap ear eas ec- eca ecc ece ecg ech ecn eco ecr ecs eea eec eee eeg een eeo eep eer ees ega egc ege egg egh egn ego egp egr egs eha ehc ehe ehg ehh ehn eho ehp ehr ehs en- ena enc ene eng enh enn eno enp enr ens eo- eoa eoc eoe eog eoh eon eoo eop eor eos ep- epa epc epe epg eph epn epo epp epr eps era erc ere erg erh ern ero erp err ers es- esa esc ese esg esh esn eso esp esr ess g-p gaa gac gae gag gah gan gao gap gar gas gca gcc gce gcg gch gcn gco gcp gcr gcs ge- gea gec gee geg geh gen geo gep ger ges gga ggc ggg ggh ggn ggo ggp ggr ggs gha ghc ghe ghg ghh ghn gho ghp ghr ghs gna gnc gne gnn gno gnp gnr gns goa goc goe gog goh gon goo gop gor gos gpa gpc gpe gpg gph gpn gpo gpp gpr gps gra grc gre grg grh grn gro grp grr grs gsa gsc gse gsg gsn gso gsp gsr gss haa hac hae hag hah han hao hap har has hca hcc hce hcg hch hcn hco hcp hcr hcs he- hea hec hee heg heh hen heo hep her hes hga hgc hge hgg hgh hgn hgo hgp hgr hgs hha hhc hhe hhg hhh hhn hho hhp hhr hhs hna hnc hne hng hnh hnn hno hns hoa hoc hoe hog hoh hon hoo hop hor hos hpa hpc hpe hpg hph hpn hpo hpp hpr hps hr- hra hrc hre hrg hrh hrn hro hrp hrr hrs hsa hsc hse hsg hsh hsn hsp hsr hss naa nac nae nag nah nan nao nap nar nas nca ncc nce ncg nch ncn nco ncp ncr ncs ne- nea nec nee neg neh nen neo nep ner nes nga ngc nge ngg ngh ngn ngo ngp ngs nha nhc nhe nhg nhh nhn nhp nhr nhs nna nnc nne nng nnh nnn nno nnp nns no- noa noc noe nog noh non noo nop nor nos npa npc npe npg nph npn npo npp npr nps nra nrc nre nrg nrn nro nrp nrr nrs nsa nsc nse nsg nsh nsn nso nsp nsr nss oaa oac oae oag oah oan oao oap oar oas oc- oca occ ocg och ocn oco ocp ocr ocs oea oec oee oeg oeh oen oeo oep oer oes oga ogc oge ogg ogh ogn ogo ogp ogs oha ohc ohe ohg ohh ohn oho ohp ohr ohs on- ona onc one ong onh onn ono onp onr ons oo- ooa ooc oog ooh oon ooo oop oor oos op- opa opc ope opg oph opn opo opp opr ops or- ora orc ore org orh orn oro orp orr ors os- osa osc ose osg osh osn oso osp osr oss p-p paa pac pae pag pah pan pao pap par pas pca pcc pce pcg pch pcn pco pcp pcr pcs pea pec pee peg peh pen peo pep per pes pga pgc pge pgg pgh pgn pgo pgp pgr pgs pha phc phe phg phn pho php phr phs pn- pna pnc pne png pnh pnn pno pnp pnr pns poa poc poe pog poh pon poo pop por pos ppa ppc ppe ppg pph ppn ppo ppp ppr pps pra prc pre prg prh prn pro prp prr prs ps- psa psc pse psg psh psn pso psp psr pss ra- raa rac rae rag rah ran rao rap rar ras rca rcc rce rcg rch rcn rco rcp rcr rcs re- rea rec ree reg reh ren reo rep rer res rga rgc rge rgg rgh rgn rgo rgp rgr rgs rh- rha rhc rhe rhg rhh rhn rho rhp rhr rhs rna rnc rng rnh rnn rno rnp rnr rns roa roc roe rog roh ron roo rop ror ros rpa rpc rpe rpg rph rpn rpo rpp rpr rps rra rrc rrg rrh rrn rrp rrr rrs rsa rsc rse rsg rsh rsn rso rsp rsr rss saa sac sae sag sah san sao sap sar sas sca scc sce scg sch scn sco scp scr scs se- sea sec see seg seh sen seo sep ser ses sga sgc sge sgg sgh sgn sgo sgp sgr sgs sh- sha shc she shg shh shn sho shp shr shs sna snc sne sng snn sno snp snr sns soa soc soe sog soh son soo sop sor sos spa spc spe spg sph spn spo spp spr sps sr- sra