-er a-a aaa aad aae aaf aah aak aao aar aas ad- ada add ade adf adh adk ado adr ads aea aed aee aef aeh aek aeo aer aes af- afa afd afe aff afh afk afo afr afs aha ahd ahe ahf ahh ahk aho ahr ahs aka akd ake akh akk ako akr aks aoa aod aoe aof aoh aok aoo aor aos ar- ara ard are arf arh ark aro arr ars as- asa asd ase asf ash ask aso asr ass daa dad dae daf dah dak dao dar das dda ddd dde ddf ddh ddk ddo ddr dds de- dea ded dee def deh dek deo der des dfa dfd dfe dff dfh dfk dfo dfr dfs dh- dha dhd dhe dhf dhh dhk dho dhr dhs dka dke dkk dko dkr dks doa dod doe dof doh dok doo dor dos dra drd dre drk dro drr drs dsa dsd dse dsf dsh dsk dso dsr dss eaa ead eae eaf eah eak eao ear eas ed- eda edd ede edf edh edk edo edr eds eea eed eee eef eek eeo eer ees ef- efa efd efe eff efh efo efr efs eha ehd ehe ehf ehh eho ehr ehs eka ekd eke ekf ekh eko ekr eks eo- eoa eod eoe eof eoh eok eoo eor eos era erd ere erf erh erk ero err ers es- esa esd ese esf esh esk eso esr ess faa fad fae faf fah fak fao far fas fda fdd fde fdf fdh fdk fdo fdr fds fea fed fee fef feh fek feo fer fes ffa ffd ffe fff ffh ffk ffo ffr ffs fha fhe fhf fhh fho fhr fhs fka fkf fkk foa foe fof foh fok foo for fos fra frd fre frf frh frk fro frr frs fsa fsd fse fsf fsh fsk fso fsr fss haa had hae haf hah hak hao har has hda hdd hde hdf hdh hdk hdo hdr hds he- hea hed hee hef heh hek heo her hes hfa hfd hfe hff hfh hfk hfo hfr hfs hha hhd hhe hhf hhh hhk hho hhr hhs hka hkd hkf hkh hkk hko hkr hks hoa hod hoe hof hoh hok hoo hor hos hr- hra hrd hre hrf hrh hrk hro hrr hrs hsa hsd hse hsf hsh hsk hsr hss ka- kaa kad kae kaf kah kak kao kar kas kda kde kdf kdh kdk kdo kdr kds ke- kea ked kee kef keh kek keo ker kes kfa kfd kff kfh kfo kfs kha khe khf khh khk kho khr khs kke kkh kkk kkr kks koa kod koe kof koh kok koo kor kos kra krd krf krk kro krr krs ksa ksd kse ksf ksh ksk kso ksr kss oaa oad oae oaf oah oak oao oar oas oda odd ode odf odh odo odr ods oea oed oee oef oeh oeo oer oes of- ofa ofd ofe off ofo ofr ofs oha ohd ohe ohf ohh oho ohr ohs oka okd oke okk oko okr oks oo- ooa ood oof ooh ook ooo oor oos or- ora ord ore orf orh ork oro orr ors os- osa osd ose osf osh osk oso osr oss ra- raa rad rae raf rah rak rao rar ras rda rdd rde rdf rdh rdo rdr rds re- rea red ree ref reh rek reo rer res rfa rfd rfe rff rfh rfk rfo rfr rfs rh- rha rhd rhe rhf rhh rho rhr rhs rke rkf rkk rko rks roa rod roe rof roh rok roo ror ros rra rrd rrf rrh rrk rrr rrs rsa rsd rse rsf rsh rsk rso rsr rss saa sad sae saf sah sak sao sar sas sda sdd sde sdf sdh sdk sdo sdr sds se- sea sed see sef seh sek seo ser ses sfa sfd sfe sff sfh sfk sfo sfr sfs sh- sha shd she shf shh shk sho shr shs sk- ska skd ske skf skh skk sko skr sks soa sod soe sof soh sok soo sor sos sr- sra srd sre srf srh srk sro srr srs ss- ssa ssd sse ssf ssh ssk sso ssr sss