-er a-a aaa aad aae aah aak aao aar aas ad- ada add ade adh adk ado adr ads aea aed aee aeh aek aeo aer aes aha ahd ahe ahh ahk aho ahr ahs aka akd ake akh akk ako akr aks aoa aod aoe aoh aok aoo aor aos ar- ara ard are arh ark aro arr ars as- asa asd ase ash ask aso asr ass daa dad dae dah dak dao dar das dda ddd dde ddh ddk ddo ddr dds de- dea ded dee deh dek deo der des dh- dha dhd dhe dhh dhk dho dhr dhs dka dke dkk dko dkr dks doa dod doe doh dok doo dor dos dra drd dre drk dro drr drs dsa dsd dse dsh dsk dso dsr dss eaa ead eae eah eak eao ear eas ed- eda edd ede edh edk edo edr eds eea eed eee eek eeo eer ees eha ehd ehe ehh eho ehr ehs eka ekd eke ekh eko ekr eks eo- eoa eod eoe eoh eok eoo eor eos era erd ere erh erk ero err ers es- esa esd ese esh esk eso esr ess haa had hae hah hak hao har has hda hdd hde hdh hdk hdo hdr hds he- hea hed hee heh hek heo her hes hha hhd hhe hhh hhk hho hhr hhs hka hkd hkh hkk hko hkr hks hoa hod hoe hoh hok hoo hor hos hr- hra hrd hre hrh hrk hro hrr hrs hsa hsd hse hsh hsk hsr hss ka- kaa kad kae kah kak kao kar kas kda kde kdh kdk kdo kdr kds ke- kea ked kee keh kek keo ker kes kha khe khh khk kho khr khs kke kkh kkk kkr kks koa kod koe koh kok koo kor kos kra krd krk kro krr krs ksa ksd kse ksh ksk kso ksr kss oaa oad oae oah oak oao oar oas oda odd ode odh odo odr ods oea oed oee oeh oeo oer oes oha ohd ohe ohh oho ohr ohs oka okd oke okk oko okr oks oo- ooa ood ooh ook ooo oor oos or- ora ord ore orh ork oro orr ors os- osa osd ose osh osk oso osr oss ra- raa rad rae rah rak rao rar ras rda rdd rde rdh rdo rdr rds re- rea red ree reh rek reo rer res rh- rha rhd rhe rhh rho rhr rhs rke rkk rko rks roa rod roe roh rok roo ror ros rra rrd rrh rrk rrr rrs rsa rsd rse rsh rsk rso rsr rss saa sad sae sah sak sao sar sas sda sdd sde sdh sdk sdo sdr sds se- sea sed see seh sek seo ser ses sh- sha shd she shh shk sho shr shs sk- ska skd ske skh skk sko skr sks soa sod soe soh sok soo sor sos sr- sra srd sre srh srk sro srr srs ss- ssa ssd sse ssh ssk sso ssr sss