a-a a-i a-t aaa aaf aai aak aan aao aar aat af- afa aff afi afk afn afo afr aft ai- aia aif aii aik ain aio air ait aka aki akk akn ako akr an- ana anf ani ank ann ano anr ant aoa aof aoi aok aon aoo aor aot ar- ara arf ari ark arn aro arr art at- ata atf ati atn ato atr att faa faf fai fak fan fao far fat ffa fff ffi ffk ffn ffo ffr fft fia fif fii fik fin fir fit fka fkf fki fkk fkt fna fnf fni fnk fnn fnr fnt foa fof foi fok fon foo for fot fra frf fri frk frn fro frr frt fta ftf fti ftk ftn fto ftr ftt i-f ia- iaa iaf iai ian iao iar iat ifa iff ifi ifn ifo ifr ift iia iif iii iin iio iir iit ika ikf iki ikk iko ikr ikt in- ina inf ini ink inn ino inr int io- ioa iof ioi ion ioo ior iot ir- ira irf iri irk irn iro irr irt ita itf iti itk itn ito itt k-t ka- kaa kaf kai kak kan kao kar kat kfa kff kfi kfo kia kif kii kik kin kio kir kit kki kkk kkn kkr kkt kn- kna knf kni knk knn kno knr knt koa kof koi kok kon koo kor kot kra krf kri krk krn kro krr krt kta ktf ktk ktn kto ktr ktt n-i naa naf nai nak nan nao nar nat nfa nff nfi nfk nfn nfo nfr nft nia nif nii nik nin nio nir nit nka nkf nki nkk nkn nko nkr nkt nna nnf nni nnk nnn nno nnt no- noa nof noi nok non noo nor not nra nrf nri nrk nrn nro nrr nrt nta ntf nti ntk ntn nto ntr ntt o-i oaa oaf oai oak oan oao oar oat of- ofa off ofi ofn ofo ofr oft oia oif oii oik oin oio oir oit oka oki okk oko okr on- ona onf oni onk onn ono onr ont oo- ooa oof ooi ook oon ooo oor oot or- ora orf ori ork orn oro orr ort ot- ota otf oti otk otn oto otr ott ra- raa raf rai rak ran rao rar rat rfa rff rfi rfk rfn rfo rfr rft ria rif rii rik rin rio rir rit rkf rkk rko rkt rna rni rnn rno rnr rnt roa rof roi rok ron roo ror rot rra rrf rri rrk rrn rrr rrt rta rtf rti rtk rtn rto rtr rtt taa taf tai tak tan tao tar tat tfa tff tfi tfk tfn tfo tfr tft tia tif tii tik tin tio tir tit tka tkk tko tkr tkt tna tnf tni tnk tnn tno tnr tnt to- toa tof toi tok ton too tor tot tra trf tri trk trn tro trr trt tta ttf tti ttk ttn tto ttr ttt