-er a-a a-t aaa aad aae aak aao aar aat aau ad- ada add ade adk ado adr adt adu aea aed aee aek aeo aer aet aeu aka akd ake akk ako akr aku aoa aod aoe aok aoo aor aot aou ar- ara ard are ark aro arr art aru at- ata atd ate ato atr att atu au- aua aud aue auk auo aur aut daa dad dae dak dao dar dat dau dda ddd dde ddk ddo ddr ddt ddu de- dea ded dee dek deo der det deu dka dke dkk dko dkr dkt dku doa dod doe dok doo dor dot dou dra drd dre drk dro drr drt dru dta dtd dte dtk dto dtr dtt dtu dua dud due duk duo dur dut eaa ead eae eak eao ear eat eau ed- eda edd ede edk edo edr edt edu eea eed eee eek eeo eer eet eka ekd eke eko ekr ekt eku eo- eoa eod eoe eok eoo eor eot eou era erd ere erk ero err ert eru eta etd ete etk eto etr ett etu eu- eua eud eue eur eut k-t ka- kaa kad kae kak kao kar kat kau kda kde kdk kdo kdr kdt kdu ke- kea ked kee kek keo ker ket kke kkk kkr kkt kku koa kod koe kok koo kor kot kou kra krd krk kro krr krt kru kta kte ktk kto ktr ktt ktu kud kue kuk kur kut kuu oaa oad oae oak oao oar oat oau oda odd ode odo odr odt odu oea oed oee oeo oer oet oka okd oke okk oko okr oku oo- ooa ood ook ooo oor oot or- ora ord ore ork oro orr ort oru ot- ota otd ote otk oto otr ott otu ou- oua oud oue ouk ouo our out ra- raa rad rae rak rao rar rat rau rda rdd rde rdo rdr rdt rdu re- rea red ree rek reo rer ret reu rke rkk rko rkt rku roa rod roe rok roo ror rot rou rra rrd rrk rrr rrt rru rta rtd rte rtk rto rtr rtt rtu rua rud rue ruk ruo rur rut ruu taa tad tae tak tao tar tat tau tda tdd tde tdk tdo tdr tdt tdu te- tea ted tee tek teo ter tet teu tka tke tkk tko tkr tkt to- toa tod toe tok too tor tot tou tra trd tre trk tro trr trt tru tta ttd tte ttk tto ttr ttt ttu tua tud tue tuk tuo tur tut tuu ua- uaa uad uae uak uao uar uat uau uda udd ude udk udo udr udt udu uea ued uee uer uet uka uke ukk ukr uku uoa uod uoe uok uoo uor uot ur- ura urd ure urk uro urr urt uru uta utd ute utk uto utr utt utu uua uue uur uut uuu