-er a-a aaa aad aae aak aam aar aau ad- ada add ade adk adm adr adu aea aed aee aek aem aer aeu aka akd ake akk akm akr aku ama amd ame amk amm amr amu ar- ara ard are ark arm arr aru au- aua aud aue auk aum aur daa dad dae dak dam dar dau dda ddd dde ddk ddm ddr ddu de- dea ded dee dek dem der deu dka dke dkk dkm dkr dku dma dmd dme dmk dmm dmr dmu dra drd dre drk drm drr dru dua dud due duk dum dur eaa ead eae eak eam ear eau ed- eda edd ede edk edm edr edu eea eed eee eek eem eer eka ekd eke ekr eku em- ema emd eme emk emm emr emu era erd ere erk erm err eru eu- eua eud eue eur ka- kaa kad kae kak kam kar kau kda kde kdk kdm kdr kdu ke- kea ked kee kek kem ker kke kkk kkm kkr kku kma kmd kme kmk kmm kmu kra krd krk krr kru kud kue kuk kum kur kuu m-r maa mad mae mak mam mar mau mda mdd mde mdk mdm mdr mdu mea med mee mek mem mer meu mka mkd mke mkk mkm mkr mku mma mmd mme mmk mmm mmr mmu mra mrd mre mrk mrm mrr mru mua mud mue muk mum mur muu ra- raa rad rae rak ram rar rau rda rdd rde rdm rdr rdu re- rea red ree rek rem rer reu rke rkk rkm rku rma rmd rme rmm rmr rra rrd rrk rrm rrr rru rua rud rue ruk rum rur ruu ua- uaa uad uae uak uam uar uau uda udd ude udk udm udr udu uea ued uee uem uer uka uke ukk ukr uku um- uma umd ume umm umr umu ur- ura urd ure urk urm urr uru uua uue uum uur uuu