-er -up a-a aaa aad aae aak aap aar aau ad- ada add ade adk adp adr adu aea aed aee aek aep aer aeu aka akd ake akk akp akr aku ap- apa apd ape apk app apr apu ar- ara ard are ark arp arr aru au- aua aud aue auk aup aur daa dad dae dak dap dar dau dda ddd dde ddk ddp ddr ddu de- dea ded dee dek dep der deu dka dke dkk dkp dkr dku dpa dpd dpe dpk dpp dpr dpu dra drd dre drk drp drr dru dua dud due duk dup dur eaa ead eae eak eap ear eau ed- eda edd ede edk edp edr edu eea eed eee eek eep eer eka ekd eke ekp ekr eku ep- epa epd epe epp epr epu era erd ere erk erp err eru eu- eua eud eue eup eur ka- kaa kad kae kak kap kar kau kda kde kdk kdp kdr kdu ke- kea ked kee kek kep ker kke kkk kkp kkr kku kpa kpd kpe kpk kpp kpr kpu kra krd krk krp krr kru kud kue kuk kup kur kuu p-p paa pad pae pak pap par pau pda pdd pde pdk pdp pdr pdu pea ped pee pek pep per peu pka pkd pke pkp pkr pku ppa ppd ppe ppk ppp ppr ppu pra prd pre prk prp prr pru pua pud pue puk pup pur puu ra- raa rad rae rak rap rar rau rda rdd rde rdp rdr rdu re- rea red ree rek rep rer reu rke rkk rkp rku rpa rpd rpe rpk rpp rpr rpu rra rrd rrk rrp rrr rru rua rud rue ruk rup rur ruu ua- uaa uad uae uak uap uar uau uda udd ude udk udp udr udu uea ued uee uep uer uka uke ukk ukp ukr uku up- upa upd upe upk upp upr upu ur- ura urd ure urk urp urr uru uua uue uur uuu