-er a-a a-c aaa aac aae aah aam aao aap aar aas ac- aca acc ace ach acm aco acp acr acs aea aec aee aeh aem aeo aep aer aes aha ahc ahe ahh ahm aho ahp ahr ahs ama amc ame amh amm amo amp amr ams aoa aoc aoe aoh aom aoo aop aor aos ap- apa apc ape aph apm apo app apr aps ar- ara arc are arh arm aro arp arr ars as- asa asc ase ash asm aso asp asr ass c-- caa cac cae cah cam cao cap car cas cca ccc cce cch ccm cco ccp ccr ccs ce- cea cec cee ceh cem ceo cep cer ces ch- cha chc che chh chm cho chp chr chs cma cmc cme cmh cmm cmo cmp cmr cms co- coa coc coe coh com coo cop cor cos cpa cpc cpe cph cpm cpo cpp cpr cps cra crc cre crh crm cro crp crr crs csa csc cse csh csm cso csp csr css eaa eac eae eah eam eao eap ear eas ec- eca ecc ece ech ecm eco ecr ecs eea eec eee eem eeo eep eer ees eha ehc ehe ehh ehm eho ehp ehr ehs em- ema emc eme emh emm emo emp emr ems eo- eoa eoc eoe eoh eom eoo eop eor eos ep- epa epc epe eph epm epo epp epr eps era erc ere erh erm ero erp err ers es- esa esc ese esh esm eso esp esr ess haa hac hae hah ham hao hap har has hca hcc hce hch hcm hco hcp hcr hcs he- hea hec hee heh hem heo hep her hes hha hhc hhe hhh hhm hho hhp hhr hhs hma hmc hme hmh hmm hmo hmp hmr hms hoa hoc hoe hoh hom hoo hop hor hos hpa hpc hpe hph hpm hpo hpp hpr hps hr- hra hrc hre hrh hrm hro hrp hrr hrs hsa hsc hse hsh hsm hsp hsr hss m-o m-r maa mac mae mah mam mao map mar mas mc- mca mcc mce mch mcm mco mcp mcr mcs mea mec mee meh mem meo mep mer mes mha mhc mhh mhm mho mhp mhr mhs mma mmc mme mmh mmm mmo mmp mmr mms moa moc moe moh mom moo mop mor mos mpa mpc mpe mph mpm mpo mpp mpr mps mra mrc mre mrh mrm mro mrp mrr mrs msa msc mse msh msm mso msp msr mss oaa oac oae oah oam oao oap oar oas oc- oca occ och ocm oco ocp ocr ocs oea oec oee oeh oem oeo oep oer oes oha ohc ohe ohh ohm oho ohp ohr ohs om- oma omc ome omh omm omo omp omr oms oo- ooa ooc ooh oom ooo oop oor oos op- opa opc ope oph opm opo opp opr ops or- ora orc ore orh orm oro orp orr ors os- osa osc ose osh osm oso osp osr oss p-p paa pac pae pah pam pao pap par pas pca pcc pce pch pcm pco pcp pcr pcs pea pec pee peh pem peo pep per pes pha phc phe phm pho php phr phs pma pmc pme pmh pmm pmo pmp pmr pms poa poc poe poh pom poo pop por pos ppa ppc ppe pph ppm ppo ppp ppr pps pra prc pre prh prm pro prp prr prs ps- psa psc pse psh psm pso psp psr pss ra- raa rac rae rah ram rao rap rar ras rca rcc rce rch rcm rco rcp rcr rcs re- rea rec ree reh rem reo rep rer res rh- rha rhc rhe rhh rhm rho rhp rhr rhs rma rmc rme rmh rmm rmo rmp rmr rms roa roc roe roh rom roo rop ror ros rpa rpc rpe rph rpm rpo rpp rpr rps rra rrc rrh rrm rrp rrr rrs rsa rsc rse rsh rsm rso rsp rsr rss saa sac sae sah sam sao sap sar sas sca scc sce sch scm sco scp scr scs se- sea sec see seh sem seo sep ser ses sh- sha shc she shh shm sho shp shr shs sma smc sme smh smm smo smp smr sms soa soc soe soh som soo sop sor sos spa spc spe sph spm spo spp spr sps sr- sra src sre srh srm sro srp srr srs ss- ssa ssc sse ssh ssm sso ssp ssr sss