-er a-a a-t aaa aae aak aan aao aar aas aat aau aea aee aek aen aeo aer aes aet aeu aka ake akk akn ako akr aks aku an- ana ane ank ann ano anr ans ant anu aoa aoe aok aon aoo aor aos aot aou ar- ara are ark arn aro arr ars art aru as- asa ase ask asn aso asr ass ast asu at- ata ate atn ato atr ats att atu au- aua aue auk aun auo aur aus aut eaa eae eak ean eao ear eas eat eau eea eee eek een eeo eer ees eet eka eke eko ekr eks ekt eku en- ena ene enk enn eno enr ens ent enu eo- eoa eoe eok eon eoo eor eos eot eou era ere erk ern ero err ers ert eru es- esa ese esk esn eso esr ess est esu eta ete etk etn eto etr ets ett etu eu- eua eue eun eur eus eut k-t ka- kaa kae kak kan kao kar kas kat kau ke- kea kee kek ken keo ker kes ket kke kkk kkn kkr kks kkt kku kn- kna kne knk knn kno knr knt knu koa koe kok kon koo kor kos kot kou kra krk krn kro krr krs krt kru ksa kse ksk ksn kso ksr kss kst ksu kta kte ktk ktn kto ktr kts ktt ktu kue kuk kun kur kus kut kuu naa nae nak nan nao nar nas nat nau ne- nea nee nek nen neo ner nes net neu nka nke nkk nkn nko nkr nks nkt nku nna nne nnk nnn nno nns nnt nnu no- noa noe nok non noo nor nos not nou nra nre nrk nrn nro nrr nrs nrt nru nsa nse nsk nsn nso nsr nss nst nsu nta nte ntk ntn nto ntr nts ntt ntu nua nue nuk nun nuo nur nus nut nuu oaa oae oak oan oao oar oas oat oau oea oee oen oeo oer oes oet oka oke okk oko okr oks oku on- ona one onk onn ono onr ons ont onu oo- ooa ook oon ooo oor oos oot or- ora ore ork orn oro orr ors ort oru os- osa ose osk osn oso osr oss ost osu ot- ota ote otk otn oto otr ots ott otu ou- oua oue ouk oun ouo our ous out ra- raa rae rak ran rao rar ras rat rau re- rea ree rek ren reo rer res ret reu rke rkk rko rks rkt rku rna rnn rno rnr rns rnt rnu roa roe rok ron roo ror ros rot rou rra rrk rrn rrr rrs rrt rru rsa rse rsk rsn rso rsr rss rst rsu rta rte rtk rtn rto rtr rts rtt rtu rua rue ruk run ruo rur rus rut ruu saa sae sak san sao sar sas sat sau se- sea see sek sen seo ser ses set seu sk- ska ske skk sko skr sks skt sku sna sne snk snn sno snr sns snt snu soa soe sok son soo sor sos sot sou sr- sra sre srk srn sro srr srs srt ss- ssa sse ssk ssn sso ssr sss sst ssu sta ste stk stn sto str sts stt stu sua sue suk sun suo sur sus sut suu taa tae tak tan tao tar tas tat tau te- tea tee tek ten teo ter tes tet teu tka tke tkk tko tkr tks tkt tna tne tnk tnn tno tnr tns tnt to- toa toe tok ton too tor tos tot tou tra tre trk trn tro trr trs trt tru tsa tse tsk tsn tso tsr tss tst tsu tta tte ttk ttn tto ttr tts ttt ttu tua tue tuk tun tuo tur tus tut tuu ua- uaa uae uak uan uao uar uas uat uau uea uee uen uer ues uet uka uke ukk ukn ukr uku un- una une unk unn uno unr uns unt unu uoa uoe uok uon uoo uor uos uot ur- ura ure urk urn uro urr urs urt uru usa use usk usn uso usr uss ust usu uta ute utk utn uto utr uts utt utu uua uue uun uur uus uut uuu