a-a a-i a-t aaa aaf aag aai aak aao aat aay af- afa aff afg afi afk afo aft afy ag- aga agf agg agi agk ago agt agy ai- aia aif aig aii aik aio ait aiy aka akg aki akk ako aoa aof aog aoi aok aoo aot at- ata atf atg ati ato att ay- aya ayf ayi ayk ayo ayt faa faf fag fai fak fao fat fay ffa fff ffg ffi ffk ffo fft ffy fga fgf fgg fgi fgt fia fif fig fii fik fit fka fkf fkg fki fkk fkt foa fof fog foi fok foo fot foy fta ftf ftg fti ftk fto ftt fty fy- fya fyi fyk fyo gaa gaf gag gai gak gao gat gay gfa gff gfi gfk gfo gft gfy gga ggg ggi ggo ggt gia gif gig gii gik gio git giy gka gko gkt goa gof gog goi gok goo got goy gta gtf gtg gti gtk gto gtt gty gy- gya gyf gyo i-f ia- iaa iaf iag iai iao iat ifa iff ifg ifi ifo ift ify iga igf igg igi igk igo igt igy iia iif iii iio iit ika ikf iki ikk iko ikt io- ioa iof iog ioi ioo iot ita itf itg iti itk ito itt ity iya iyo iyt iyy k-t ka- kaa kaf kag kai kak kao kat kay kfa kff kfg kfi kfo kga kgf kgi kgo kgy kia kif kig kii kik kio kit kki kkk kkt kky koa kof kog koi kok koo kot koy kta ktf ktg ktk kto ktt kya kyo kyt o-i oaa oaf oag oai oak oao oat of- ofa off ofg ofi ofo oft oga ogf ogg ogi ogo ogt ogy oia oif oii oik oio oit oka okg oki okk oko oo- ooa oof oog ooi ook ooo oot ot- ota otf otg oti otk oto ott oya oyi oyo taa taf tag tai tak tao tat tay tfa tff tfg tfi tfk tfo tft tga tgf tgg tgi tgk tgo tgt tgy tia tif tig tii tik tio tit tiy tka tkg tkk tko tkt tky to- toa tof tog toi tok too tot toy tta ttf ttg tti ttk tto ttt tty tya tyf tyg tyo tyt yaa yaf yag yai yak yao yat yay yfa yff yft yga ygo yif yig yii yio yit yka yki ykk yof yog yoi yok yoo yot yoy yta ytf ytk yto ytt yyf yyg yyt yyy