a-a a-i a-t aaa aaf aag aai aak aar aat af- afa aff afg afi afk afr aft ag- aga agf agg agi agk agr agt ai- aia aif aig aii aik air ait aka akg aki akk akr ar- ara arf arg ari ark arr art at- ata atf atg ati atr att faa faf fag fai fak far fat ffa fff ffg ffi ffk ffr fft fga fgf fgg fgi fgr fgt fia fif fig fii fik fir fit fka fkf fkg fki fkk fkt fra frf frg fri frk frr frt fta ftf ftg fti ftk ftr ftt gaa gaf gag gai gak gar gat gfa gff gfi gfk gfr gft gga ggg ggi ggr ggt gia gif gig gii gik gir git gka gkt gra grf grg gri grk grr grt gta gtf gtg gti gtk gtr gtt i-f ia- iaa iaf iag iai iar iat ifa iff ifg ifi ifr ift iga igf igg igi igk igr igt iia iif iii iir iit ika ikf iki ikk ikr ikt ir- ira irf irg iri irk irr irt ita itf itg iti itk itt k-t ka- kaa kaf kag kai kak kar kat kfa kff kfg kfi kga kgf kgi kia kif kig kii kik kir kit kki kkk kkr kkt kra krf krg kri krk krr krt kta ktf ktg ktk ktr ktt ra- raa raf rag rai rak rar rat rfa rff rfg rfi rfk rfr rft rga rgf rgg rgi rgk rgr rgt ria rif rig rii rik rir rit rkf rkg rkk rkt rra rrf rrg rri rrk rrr rrt rta rtf rtg rti rtk rtr rtt taa taf tag tai tak tar tat tfa tff tfg tfi tfk tfr tft tga tgf tgg tgi tgk tgr tgt tia tif tig tii tik tir tit tka tkg tkk tkr tkt tra trf trg tri trk trr trt tta ttf ttg tti ttk ttr ttt