a-a a-t aaa aad aaf aak aan aao aar aat ad- ada add adf adk adn ado adr adt af- afa afd aff afk afn afo afr aft aka akd akk akn ako akr an- ana and anf ank ann ano anr ant aoa aod aof aok aon aoo aor aot ar- ara ard arf ark arn aro arr art at- ata atd atf atn ato atr att daa dad daf dak dan dao dar dat dda ddd ddf ddk ddn ddo ddr ddt dfa dfd dff dfk dfn dfo dfr dft dka dkk dko dkr dkt dna dnd dnf dnk dnn dno dnr dnt doa dod dof dok don doo dor dot dra drd drk drn dro drr drt dta dtd dtf dtk dtn dto dtr dtt faa fad faf fak fan fao far fat fda fdd fdf fdk fdn fdo fdr fdt ffa ffd fff ffk ffn ffo ffr fft fka fkf fkk fkt fna fnd fnf fnk fnn fnr fnt foa fof fok fon foo for fot fra frd frf frk frn fro frr frt fta ftd ftf ftk ftn fto ftr ftt k-t ka- kaa kad kaf kak kan kao kar kat kda kdf kdk kdo kdr kdt kfa kfd kff kfo kkk kkn kkr kkt kn- kna knd knf knk knn kno knr knt koa kod kof kok kon koo kor kot kra krd krf krk krn kro krr krt kta ktf ktk ktn kto ktr ktt naa nad naf nak nan nao nar nat nda ndd ndf ndk ndn ndo ndr ndt nfa nfd nff nfk nfn nfo nfr nft nka nkf nkk nkn nko nkr nkt nna nnf nnk nnn nno nnt no- noa nod nof nok non noo nor not nra nrd nrf nrk nrn nro nrr nrt nta ntd ntf ntk ntn nto ntr ntt oaa oad oaf oak oan oao oar oat oda odd odf odn odo odr odt of- ofa ofd off ofn ofo ofr oft oka okd okk oko okr on- ona ond onf onk onn ono onr ont oo- ooa ood oof ook oon ooo oor oot or- ora ord orf ork orn oro orr ort ot- ota otd otf otk otn oto otr ott ra- raa rad raf rak ran rao rar rat rda rdd rdf rdn rdo rdr rdt rfa rfd rff rfk rfn rfo rfr rft rkf rkk rko rkt rna rnd rnn rno rnr rnt roa rod rof rok ron roo ror rot rra rrd rrf rrk rrn rrr rrt rta rtd rtf rtk rtn rto rtr rtt taa tad taf tak tan tao tar tat tda tdd tdf tdk tdn tdo tdr tdt tfa tfd tff tfk tfn tfo tfr tft tka tkk tko tkr tkt tna tnd tnf tnk tnn tno tnr tnt to- toa tod tof tok ton too tor tot tra trd trf trk trn tro trr trt tta ttd ttf ttk ttn tto ttr ttt