-er a-a a-c aaa aac aad aae aah aak aar aas aau ac- aca acc acd ace ach ack acr acs acu ad- ada adc add ade adh adk adr ads adu aea aec aed aee aeh aek aer aes aeu aha ahc ahd ahe ahh ahk ahr ahs ahu aka akc akd ake akh akk akr aks aku ar- ara arc ard are arh ark arr ars aru as- asa asc asd ase ash ask asr ass asu au- aua auc aud aue auh auk aur aus c-- caa cac cad cae cah cak car cas cau cca ccc ccd cce cch cck ccr ccs ccu cda cdc cdd cde cdh cdk cdr cds cdu ce- cea cec ced cee ceh cek cer ces ceu ch- cha chc chd che chh chk chr chs chu cka ckc ckd ckh cks cra crc crd cre crh crk crr crs cru csa csc csd cse csh csk csr css csu cua cuc cud cue cuh cuk cur cus cuu daa dac dad dae dah dak dar das dau dca dcc dcd dce dck dcr dcs dcu dda ddc ddd dde ddh ddk ddr dds ddu de- dea dec ded dee deh dek der des deu dh- dha dhc dhd dhe dhh dhk dhr dhs dhu dka dkc dke dkk dkr dks dku dra drc drd dre drk drr drs dru dsa dsc dsd dse dsh dsk dsr dss dsu dua duc dud due duh duk dur dus eaa eac ead eae eah eak ear eas eau ec- eca ecc ecd ece ech eck ecr ecs ecu ed- eda edc edd ede edh edk edr eds edu eea eec eed eee eek eer ees eha ehc ehd ehe ehh ehr ehs ehu eka ekc ekd eke ekh ekr eks eku era erc erd ere erh erk err ers eru es- esa esc esd ese esh esk esr ess esu eu- eua euc eud eue eur eus haa hac had hae hah hak har has hau hca hcc hcd hce hch hck hcr hcs hda hdc hdd hde hdh hdk hdr hds hdu he- hea hec hed hee heh hek her hes heu hha hhc hhd hhe hhh hhk hhr hhs hhu hka hkd hkh hkk hkr hks hku hr- hra hrc hrd hre hrh hrk hrr hrs hru hsa hsc hsd hse hsh hsk hsr hss hsu hua huc hud hue huh huk hur hus huu ka- kaa kac kad kae kah kak kar kas kau kca kcc kcd kce kch kck kcr kcs kcu kda kdc kde kdh kdk kdr kds kdu ke- kea kec ked kee keh kek ker kes kha khe khh khk khr khs khu kkc kke kkh kkk kkr kks kku kra krc krd krk krr krs kru ksa ksc ksd kse ksh ksk ksr kss ksu kuc kud kue kuh kuk kur kus kuu ra- raa rac rad rae rah rak rar ras rau rca rcc rcd rce rch rcr rcs rcu rda rdc rdd rde rdh rdr rds rdu re- rea rec red ree reh rek rer res reu rh- rha rhc rhd rhe rhh rhr rhs rhu rkc rke rkk rks rku rra rrc rrd rrh rrk rrr rrs rru rsa rsc rsd rse rsh rsk rsr rss rsu rua ruc rud rue ruh ruk rur rus ruu saa sac sad sae sah sak sar sas sau sca scc scd sce sch sck scr scs scu sda sdc sdd sde sdh sdk sdr sds sdu se- sea sec sed see seh sek ser ses seu sh- sha shc shd she shh shk shr shs shu sk- ska skc skd ske skh skk skr sks sku sr- sra src srd sre srh srk srr srs ss- ssa ssc ssd sse ssh ssk ssr sss ssu sua suc sud sue suh suk sur sus suu ua- uaa uac uad uae uah uak uar uas uau uca ucc ucd uce uch uck ucr ucs ucu uda udc udd ude udk udr uds udu uea uec ued uee ueh uer ues uha uhc uhd uhe uhh uhr uhs uhu uka ukc uke ukk ukr uku ur- ura urc urd ure urk urr urs uru usa usc usd use ush usk usr uss usu uua uuc uue uur uus uuu