a-a a-t aaa aaf aak aan aao aap aat af- afa aff afk afn afo afp aft aka akk akn ako akp an- ana anf ank ann ano anp ant aoa aof aok aon aoo aop aot ap- apa apf apk apn apo app apt at- ata atf atn ato atp att faa faf fak fan fao fap fat ffa fff ffk ffn ffo ffp fft fka fkf fkk fkp fkt fna fnf fnk fnn fnp fnt foa fof fok fon foo fop fot fpa fpk fpn fpo fpp fpt fta ftf ftk ftn fto ftp ftt k-t ka- kaa kaf kak kan kao kap kat kfa kff kfo kkk kkn kkp kkt kn- kna knf knk knn kno knp knt koa kof kok kon koo kop kot kpa kpf kpk kpn kpo kpp kpt kta ktf ktk ktn kto ktp ktt naa naf nak nan nao nap nat nfa nff nfk nfn nfo nfp nft nka nkf nkk nkn nko nkp nkt nna nnf nnk nnn nno nnp nnt no- noa nof nok non noo nop not npa npf npn npo npp npt nta ntf ntk ntn nto ntp ntt oaa oaf oak oan oao oap oat of- ofa off ofn ofo ofp oft oka okk oko okp on- ona onf onk onn ono onp ont oo- ooa oof ook oon ooo oop oot op- opa opf opk opn opo opp opt ot- ota otf otk otn oto otp ott p-p paa paf pak pan pao pap pat pfa pff pfk pfn pfo pfp pft pka pkf pkn pko pkp pkt pn- pna pnf pnk pnn pno pnp pnt poa pof pok pon poo pop pot ppa ppf ppk ppn ppo ppp ppt pt- pta ptf ptk ptn pto ptp ptt taa taf tak tan tao tap tat tfa tff tfk tfn tfo tfp tft tka tkk tko tkp tkt tna tnf tnk tnn tno tnp tnt to- toa tof tok ton too top tot tpa tpf tpk tpn tpo tpp tpt tta ttf ttk ttn tto ttp ttt