-er a-a a-t aaa aae aaf aak aan aao aar aat aea aee aef aek aen aeo aer aet af- afa afe aff afk afn afo afr aft aka ake akk akn ako akr an- ana ane anf ank ann ano anr ant aoa aoe aof aok aon aoo aor aot ar- ara are arf ark arn aro arr art at- ata ate atf atn ato atr att eaa eae eaf eak ean eao ear eat eea eee eef eek een eeo eer eet ef- efa efe eff efo efr eft eka eke ekf eko ekr ekt en- ena ene enf enk enn eno enr ent eo- eoa eoe eof eok eon eoo eor eot era ere erf erk ern ero err ert eta ete etf etk etn eto etr ett faa fae faf fak fan fao far fat fea fee fef fek fen feo fer fet ffa ffe fff ffk ffn ffo ffr fft fka fkf fkk fkt fna fne fnf fnk fnn fnr fnt foa foe fof fok fon foo for fot fra fre frf frk frn fro frr frt fta fte ftf ftk ftn fto ftr ftt k-t ka- kaa kae kaf kak kan kao kar kat ke- kea kee kef kek ken keo ker ket kfa kff kfo kke kkk kkn kkr kkt kn- kna kne knf knk knn kno knr knt koa koe kof kok kon koo kor kot kra krf krk krn kro krr krt kta kte ktf ktk ktn kto ktr ktt naa nae naf nak nan nao nar nat ne- nea nee nef nek nen neo ner net nfa nfe nff nfk nfn nfo nfr nft nka nke nkf nkk nkn nko nkr nkt nna nne nnf nnk nnn nno nnt no- noa noe nof nok non noo nor not nra nre nrf nrk nrn nro nrr nrt nta nte ntf ntk ntn nto ntr ntt oaa oae oaf oak oan oao oar oat oea oee oef oen oeo oer oet of- ofa ofe off ofn ofo ofr oft oka oke okk oko okr on- ona one onf onk onn ono onr ont oo- ooa oof ook oon ooo oor oot or- ora ore orf ork orn oro orr ort ot- ota ote otf otk otn oto otr ott ra- raa rae raf rak ran rao rar rat re- rea ree ref rek ren reo rer ret rfa rfe rff rfk rfn rfo rfr rft rke rkf rkk rko rkt rna rnn rno rnr rnt roa roe rof rok ron roo ror rot rra rrf rrk rrn rrr rrt rta rte rtf rtk rtn rto rtr rtt taa tae taf tak tan tao tar tat te- tea tee tef tek ten teo ter tet tfa tfe tff tfk tfn tfo tfr tft tka tke tkk tko tkr tkt tna tne tnf tnk tnn tno tnr tnt to- toa toe tof tok ton too tor tot tra tre trf trk trn tro trr trt tta tte ttf ttk ttn tto ttr ttt