-er a-a a-t aaa aae aak aan aao aap aar aat aea aee aek aen aeo aep aer aet aka ake akk akn ako akp akr an- ana ane ank ann ano anp anr ant aoa aoe aok aon aoo aop aor aot ap- apa ape apk apn apo app apr apt ar- ara are ark arn aro arp arr art at- ata ate atn ato atp atr att eaa eae eak ean eao eap ear eat eea eee eek een eeo eep eer eet eka eke eko ekp ekr ekt en- ena ene enk enn eno enp enr ent eo- eoa eoe eok eon eoo eop eor eot ep- epa epe epn epo epp epr ept era ere erk ern ero erp err ert eta ete etk etn eto etp etr ett k-t ka- kaa kae kak kan kao kap kar kat ke- kea kee kek ken keo kep ker ket kke kkk kkn kkp kkr kkt kn- kna kne knk knn kno knp knr knt koa koe kok kon koo kop kor kot kpa kpe kpk kpn kpo kpp kpr kpt kra krk krn kro krp krr krt kta kte ktk ktn kto ktp ktr ktt naa nae nak nan nao nap nar nat ne- nea nee nek nen neo nep ner net nka nke nkk nkn nko nkp nkr nkt nna nne nnk nnn nno nnp nnt no- noa noe nok non noo nop nor not npa npe npn npo npp npr npt nra nre nrk nrn nro nrp nrr nrt nta nte ntk ntn nto ntp ntr ntt oaa oae oak oan oao oap oar oat oea oee oen oeo oep oer oet oka oke okk oko okp okr on- ona one onk onn ono onp onr ont oo- ooa ook oon ooo oop oor oot op- opa ope opk opn opo opp opr opt or- ora ore ork orn oro orp orr ort ot- ota ote otk otn oto otp otr ott p-p paa pae pak pan pao pap par pat pea pee pek pen peo pep per pet pka pke pkn pko pkp pkr pkt pn- pna pne pnk pnn pno pnp pnr pnt poa poe pok pon poo pop por pot ppa ppe ppk ppn ppo ppp ppr ppt pra pre prk prn pro prp prr prt pt- pta pte ptk ptn pto ptp ptr ptt ra- raa rae rak ran rao rap rar rat re- rea ree rek ren reo rep rer ret rke rkk rko rkp rkt rna rnn rno rnp rnr rnt roa roe rok ron roo rop ror rot rpa rpe rpk rpn rpo rpp rpr rpt rra rrk rrn rrp rrr rrt rta rte rtk rtn rto rtp rtr rtt taa tae tak tan tao tap tar tat te- tea tee tek ten teo tep ter tet tka tke tkk tko tkp tkr tkt tna tne tnk tnn tno tnp tnr tnt to- toa toe tok ton too top tor tot tpa tpe tpk tpn tpo tpp tpr tpt tra tre trk trn tro trp trr trt tta tte ttk ttn tto ttp ttr ttt