-er a-a aaa aad aae aah aak aao aar aas aau ad- ada add ade adh adk ado adr ads adu aea aed aee aeh aek aeo aer aes aeu aha ahd ahe ahh ahk aho ahr ahs ahu aka akd ake akh akk ako akr aks aku aoa aod aoe aoh aok aoo aor aos aou ar- ara ard are arh ark aro arr ars aru as- asa asd ase ash ask aso asr ass asu au- aua aud aue auh auk auo aur aus daa dad dae dah dak dao dar das dau dda ddd dde ddh ddk ddo ddr dds ddu de- dea ded dee deh dek deo der des deu dh- dha dhd dhe dhh dhk dho dhr dhs dhu dka dke dkk dko dkr dks dku doa dod doe doh dok doo dor dos dou dra drd dre drk dro drr drs dru dsa dsd dse dsh dsk dso dsr dss dsu dua dud due duh duk duo dur dus eaa ead eae eah eak eao ear eas eau ed- eda edd ede edh edk edo edr eds edu eea eed eee eek eeo eer ees eha ehd ehe ehh eho ehr ehs ehu eka ekd eke ekh eko ekr eks eku eo- eoa eod eoe eoh eok eoo eor eos eou era erd ere erh erk ero err ers eru es- esa esd ese esh esk eso esr ess esu eu- eua eud eue eur eus haa had hae hah hak hao har has hau hda hdd hde hdh hdk hdo hdr hds hdu he- hea hed hee heh hek heo her hes heu hha hhd hhe hhh hhk hho hhr hhs hhu hka hkd hkh hkk hko hkr hks hku hoa hod hoe hoh hok hoo hor hos hou hr- hra hrd hre hrh hrk hro hrr hrs hru hsa hsd hse hsh hsk hsr hss hsu hua hud hue huh huk huo hur hus huu ka- kaa kad kae kah kak kao kar kas kau kda kde kdh kdk kdo kdr kds kdu ke- kea ked kee keh kek keo ker kes kha khe khh khk kho khr khs khu kke kkh kkk kkr kks kku koa kod koe koh kok koo kor kos kou kra krd krk kro krr krs kru ksa ksd kse ksh ksk kso ksr kss ksu kud kue kuh kuk kur kus kuu oaa oad oae oah oak oao oar oas oau oda odd ode odh odo odr ods odu oea oed oee oeh oeo oer oes oha ohd ohe ohh oho ohr ohs ohu oka okd oke okk oko okr oks oku oo- ooa ood ooh ook ooo oor oos or- ora ord ore orh ork oro orr ors oru os- osa osd ose osh osk oso osr oss osu ou- oua oud oue ouh ouk ouo our ous ra- raa rad rae rah rak rao rar ras rau rda rdd rde rdh rdo rdr rds rdu re- rea red ree reh rek reo rer res reu rh- rha rhd rhe rhh rho rhr rhs rhu rke rkk rko rks rku roa rod roe roh rok roo ror ros rou rra rrd rrh rrk rrr rrs rru rsa rsd rse rsh rsk rso rsr rss rsu rua rud rue ruh ruk ruo rur rus ruu saa sad sae sah sak sao sar sas sau sda sdd sde sdh sdk sdo sdr sds sdu se- sea sed see seh sek seo ser ses seu sh- sha shd she shh shk sho shr shs shu sk- ska skd ske skh skk sko skr sks sku soa sod soe soh sok soo sor sos sou sr- sra srd sre srh srk sro srr srs ss- ssa ssd sse ssh ssk sso ssr sss ssu sua sud sue suh suk suo sur sus suu ua- uaa uad uae uah uak uao uar uas uau uda udd ude udk udo udr uds udu uea ued uee ueh uer ues uha uhd uhe uhh uho uhr uhs uhu uka uke ukk ukr uku uoa uod uoe uok uoo uor uos ur- ura urd ure urk uro urr urs uru usa usd use ush usk uso usr uss usu uua uue uur uus uuu