-er a-a a-c aaa aac aad aae aah aak aar aau ac- aca acc acd ace ach ack acr acu ad- ada adc add ade adh adk adr adu aea aec aed aee aeh aek aer aeu aha ahc ahd ahe ahh ahk ahr ahu aka akc akd ake akh akk akr aku ar- ara arc ard are arh ark arr aru au- aua auc aud aue auh auk aur c-- caa cac cad cae cah cak car cau cca ccc ccd cce cch cck ccr ccu cda cdc cdd cde cdh cdk cdr cdu ce- cea cec ced cee ceh cek cer ceu ch- cha chc chd che chh chk chr chu cka ckc ckd ckh cra crc crd cre crh crk crr cru cua cuc cud cue cuh cuk cur cuu daa dac dad dae dah dak dar dau dca dcc dcd dce dck dcr dcu dda ddc ddd dde ddh ddk ddr ddu de- dea dec ded dee deh dek der deu dh- dha dhc dhd dhe dhh dhk dhr dhu dka dkc dke dkk dkr dku dra drc drd dre drk drr dru dua duc dud due duh duk dur eaa eac ead eae eah eak ear eau ec- eca ecc ecd ece ech eck ecr ecu ed- eda edc edd ede edh edk edr edu eea eec eed eee eek eer eha ehc ehd ehe ehh ehr ehu eka ekc ekd eke ekh ekr eku era erc erd ere erh erk err eru eu- eua euc eud eue eur haa hac had hae hah hak har hau hca hcc hcd hce hch hck hcr hda hdc hdd hde hdh hdk hdr hdu he- hea hec hed hee heh hek her heu hha hhc hhd hhe hhh hhk hhr hhu hka hkd hkh hkk hkr hku hr- hra hrc hrd hre hrh hrk hrr hru hua huc hud hue huh huk hur huu ka- kaa kac kad kae kah kak kar kau kca kcc kcd kce kch kck kcr kcu kda kdc kde kdh kdk kdr kdu ke- kea kec ked kee keh kek ker kha khe khh khk khr khu kkc kke kkh kkk kkr kku kra krc krd krk krr kru kuc kud kue kuh kuk kur kuu ra- raa rac rad rae rah rak rar rau rca rcc rcd rce rch rcr rcu rda rdc rdd rde rdh rdr rdu re- rea rec red ree reh rek rer reu rh- rha rhc rhd rhe rhh rhr rhu rkc rke rkk rku rra rrc rrd rrh rrk rrr rru rua ruc rud rue ruh ruk rur ruu ua- uaa uac uad uae uah uak uar uau uca ucc ucd uce uch uck ucr ucu uda udc udd ude udk udr udu uea uec ued uee ueh uer uha uhc uhd uhe uhh uhr uhu uka ukc uke ukk ukr uku ur- ura urc urd ure urk urr uru uua uuc uue uur uuu