-er a-a a-c aaa aac aad aae aak aam aar aau ac- aca acc acd ace ack acm acr acu ad- ada adc add ade adk adm adr adu aea aec aed aee aek aem aer aeu aka akc akd ake akk akm akr aku ama amc amd ame amk amm amr amu ar- ara arc ard are ark arm arr aru au- aua auc aud aue auk aum aur c-- caa cac cad cae cak cam car cau cca ccc ccd cce cck ccm ccr ccu cda cdc cdd cde cdk cdm cdr cdu ce- cea cec ced cee cek cem cer ceu cka ckc ckd ckm cma cmc cmd cme cmk cmm cmr cmu cra crc crd cre crk crm crr cru cua cuc cud cue cuk cum cur cuu daa dac dad dae dak dam dar dau dca dcc dcd dce dck dcm dcr dcu dda ddc ddd dde ddk ddm ddr ddu de- dea dec ded dee dek dem der deu dka dkc dke dkk dkm dkr dku dma dmc dmd dme dmk dmm dmr dmu dra drc drd dre drk drm drr dru dua duc dud due duk dum dur eaa eac ead eae eak eam ear eau ec- eca ecc ecd ece eck ecm ecr ecu ed- eda edc edd ede edk edm edr edu eea eec eed eee eek eem eer eka ekc ekd eke ekr eku em- ema emc emd eme emk emm emr emu era erc erd ere erk erm err eru eu- eua euc eud eue eur ka- kaa kac kad kae kak kam kar kau kca kcc kcd kce kck kcm kcr kcu kda kdc kde kdk kdm kdr kdu ke- kea kec ked kee kek kem ker kkc kke kkk kkm kkr kku kma kmc kmd kme kmk kmm kmu kra krc krd krk krr kru kuc kud kue kuk kum kur kuu m-r maa mac mad mae mak mam mar mau mc- mca mcc mcd mce mck mcm mcr mcu mda mdc mdd mde mdk mdm mdr mdu mea mec med mee mek mem mer meu mka mkc mkd mke mkk mkm mkr mku mma mmc mmd mme mmk mmm mmr mmu mra mrc mrd mre mrk mrm mrr mru mua muc mud mue muk mum mur muu ra- raa rac rad rae rak ram rar rau rca rcc rcd rce rcm rcr rcu rda rdc rdd rde rdm rdr rdu re- rea rec red ree rek rem rer reu rkc rke rkk rkm rku rma rmc rmd rme rmm rmr rra rrc rrd rrk rrm rrr rru rua ruc rud rue ruk rum rur ruu ua- uaa uac uad uae uak uam uar uau uca ucc ucd uce uck ucm ucr ucu uda udc udd ude udk udm udr udu uea uec ued uee uem uer uka ukc uke ukk ukr uku um- uma umc umd ume umm umr umu ur- ura urc urd ure urk urm urr uru uua uuc uue uum uur uuu