a-a a-i a-t aaa aaf aag aai aak aan aao aar aat af- afa aff afg afi afk afn afo afr aft ag- aga agf agg agi agk agn ago agr agt ai- aia aif aig aii aik ain aio air ait aka akg aki akk akn ako akr an- ana anf ang ani ank ann ano anr ant aoa aof aog aoi aok aon aoo aor aot ar- ara arf arg ari ark arn aro arr art at- ata atf atg ati atn ato atr att faa faf fag fai fak fan fao far fat ffa fff ffg ffi ffk ffn ffo ffr fft fga fgf fgg fgi fgn fgr fgt fia fif fig fii fik fin fir fit fka fkf fkg fki fkk fkt fna fnf fng fni fnk fnn fnr fnt foa fof fog foi fok fon foo for fot fra frf frg fri frk frn fro frr frt fta ftf ftg fti ftk ftn fto ftr ftt gaa gaf gag gai gak gan gao gar gat gfa gff gfi gfk gfo gfr gft gga ggg ggi ggn ggo ggr ggt gia gif gig gii gik gin gio gir git gka gkn gko gkt gna gnf gni gnn gno gnr gnt goa gof gog goi gok gon goo gor got gra grf grg gri grk grn gro grr grt gta gtf gtg gti gtk gtn gto gtr gtt i-f ia- iaa iaf iag iai ian iao iar iat ifa iff ifg ifi ifn ifo ifr ift iga igf igg igi igk ign igo igr igt iia iif iii iin iio iir iit ika ikf iki ikk iko ikr ikt in- ina inf ing ini ink inn ino inr int io- ioa iof iog ioi ion ioo ior iot ir- ira irf irg iri irk irn iro irr irt ita itf itg iti itk itn ito itt k-t ka- kaa kaf kag kai kak kan kao kar kat kfa kff kfg kfi kfo kga kgf kgi kgo kia kif kig kii kik kin kio kir kit kki kkk kkn kkr kkt kn- kna knf kng kni knk knn kno knr knt koa kof kog koi kok kon koo kor kot kra krf krg kri krk krn kro krr krt kta ktf ktg ktk ktn kto ktr ktt n-i naa naf nag nai nak nan nao nar nat nfa nff nfi nfk nfn nfo nfr nft nga ngf ngg ngi ngk ngn ngo ngt nia nif nig nii nik nin nio nir nit nka nkf nki nkk nkn nko nkr nkt nna nnf nng nni nnk nnn nno nnt no- noa nof nog noi nok non noo nor not nra nrf nrg nri nrk nrn nro nrr nrt nta ntf ntg nti ntk ntn nto ntr ntt o-i oaa oaf oag oai oak oan oao oar oat of- ofa off ofg ofi ofn ofo ofr oft oga ogf ogg ogi ogn ogo ogt oia oif oii oik oin oio oir oit oka okg oki okk oko okr on- ona onf ong oni onk onn ono onr ont oo- ooa oof oog ooi ook oon ooo oor oot or- ora orf org ori ork orn oro orr ort ot- ota otf otg oti otk otn oto otr ott ra- raa raf rag rai rak ran rao rar rat rfa rff rfg rfi rfk rfn rfo rfr rft rga rgf rgg rgi rgk rgn rgo rgr rgt ria rif rig rii rik rin rio rir rit rkf rkg rkk rko rkt rna rng rni rnn rno rnr rnt roa rof rog roi rok ron roo ror rot rra rrf rrg rri rrk rrn rrr rrt rta rtf rtg rti rtk rtn rto rtr rtt taa taf tag tai tak tan tao tar tat tfa tff tfg tfi tfk tfn tfo tfr tft tga tgf tgg tgi tgk tgn tgo tgr tgt tia tif tig tii tik tin tio tir tit tka tkg tkk tko tkr tkt tna tnf tng tni tnk tnn tno tnr tnt to- toa tof tog toi tok ton too tor tot tra trf trg tri trk trn tro trr trt tta ttf ttg tti ttk ttn tto ttr ttt