oc- oca occ ocd ocg och oci ocm oco ocr ocs oda odc odd ode odg odh odi odm odo odr ods oea oec oed oee oeg oeh oei oem oeo oer oes oga ogc ogd oge ogg ogh ogi ogo ogs oha ohc ohd ohe ohg ohh ohi ohm oho ohr ohs oia oic oid oie oii oim oio oir ois om- oma omc omd ome omg omh omi omm omo omr oms oo- ooa ooc ood oog ooh ooi oom ooo oor oos or- ora orc ord ore org orh ori orm oro orr ors os- osa osc osd ose osg osh osi osm oso osr oss ra- raa rac rad rae rag rah rai ram rao rar ras rca rcc rcd rce rcg rch rci rcm rco rcr rcs rda rdc rdd rde rdg rdh rdi rdm rdo rdr rds re- rea rec red ree reg reh rei rem reo rer res rga rgc rgd rge rgg rgh rgi rgo rgr rgs rh- rha rhc rhd rhe rhg rhh rhi rhm rho rhr rhs ria ric rid rie rig rih rii rim rio rir ris rma rmc rmd rme rmg rmh rmi rmm rmo rmr rms roa roc rod roe rog roh roi rom roo ror ros rra rrc rrd rrg rrh rri rrm rrr rrs rsa rsc rsd rse rsg rsh rsi rsm rso rsr rss saa sac sad sae sag sah sai sam sao sar sas sca scc scd sce scg sch sci scm sco scr scs sda sdc sdd sde sdg sdh sdi sdm sdo sdr sds se- sea sec sed see seg seh sei sem seo ser ses sga sgc sgd sge sgg sgh sgi sgm sgo sgr sgs sh- sha shc shd she shg shh shi shm sho shr shs sia sic sid sie sig sih sii sim sio sir sis sma smc smd sme smg smh smi smm smo smr sms soa soc sod soe sog soh soi som soo sor sos sr- sra src srd sre srg srh sri srm sro srr srs ss- ssa ssc ssd sse ssg ssh ssi ssm sso ssr sss