-th a-a a-t aaa aaf aag aah aao aar aat af- afa aff afg afh afo afr aft ag- aga agf agg agh ago agr agt aha ahf ahg ahh aho ahr aht aoa aof aog aoh aoo aor aot ar- ara arf arg arh aro arr art at- ata atf atg ath ato atr att faa faf fag fah fao far fat ffa fff ffg ffh ffo ffr fft fga fgf fgg fgh fgr fgt fha fhf fhg fhh fho fhr foa fof fog foh foo for fot fra frf frg frh fro frr frt fta ftf ftg fth fto ftr ftt gaa gaf gag gah gao gar gat gfa gff gfh gfo gfr gft gga ggg ggh ggo ggr ggt gha ghg ghh gho ghr ght goa gof gog goh goo gor got gra grf grg grh gro grr grt gta gtf gtg gth gto gtr gtt haa haf hag hah hao har hat hfa hff hfg hfh hfo hfr hft hga hgf hgg hgh hgo hgr hgt hha hhf hhg hhh hho hhr hht hoa hof hog hoh hoo hor hot hr- hra hrf hrg hrh hro hrr hrt hta htf htg hth hto htr htt oaa oaf oag oah oao oar oat of- ofa off ofg ofo ofr oft oga ogf ogg ogh ogo ogt oha ohf ohg ohh oho ohr oht oo- ooa oof oog ooh ooo oor oot or- ora orf org orh oro orr ort ot- ota otf otg oth oto otr ott ra- raa raf rag rah rao rar rat rfa rff rfg rfh rfo rfr rft rga rgf rgg rgh rgo rgr rgt rh- rha rhf rhg rhh rho rhr rht roa rof rog roh roo ror rot rra rrf rrg rrh rrr rrt rta rtf rtg rto rtr rtt taa taf tag tah tao tar tat tfa tff tfg tfh tfo tfr tft tga tgf tgg tgh tgo tgr tgt th- tha thf thg thh tho thr tht to- toa tof tog toh too tor tot tra trf trg trh tro trr trt tta ttf ttg tth tto ttr ttt