a-a a-t aaa aad aaf aam aao aar aat ad- ada add adf adm ado adr adt af- afa afd aff afm afo afr aft ama amd amf amm amo amr amt aoa aod aof aom aoo aor aot ar- ara ard arf arm aro arr art at- ata atd atf atm ato atr att daa dad daf dam dao dar dat dda ddd ddf ddm ddo ddr ddt dfa dfd dff dfm dfo dfr dft dma dmd dmf dmm dmo dmr dmt doa dod dof dom doo dor dot dra drd drm dro drr drt dta dtd dtf dtm dto dtr dtt faa fad faf fam fao far fat fda fdd fdf fdm fdo fdr fdt ffa ffd fff ffm ffo ffr fft fma fmd fmf fmm fmo fmr fmt foa fof fom foo for fot fra frd frf frm fro frr frt fta ftd ftf ftm fto ftr ftt m-f m-o m-r maa mad maf mam mao mar mat mda mdd mdf mdm mdo mdr mdt mfa mfd mff mfm mfo mfr mft mma mmd mmf mmm mmo mmr mmt moa mod mof mom moo mor mot mra mrd mrf mrm mro mrr mrt mta mtd mtf mtm mto mtr mtt oaa oad oaf oam oao oar oat oda odd odf odm odo odr odt of- ofa ofd off ofm ofo ofr oft om- oma omd omf omm omo omr omt oo- ooa ood oof oom ooo oor oot or- ora ord orf orm oro orr ort ot- ota otd otf otm oto otr ott ra- raa rad raf ram rao rar rat rda rdd rdf rdm rdo rdr rdt rfa rfd rff rfm rfo rfr rft rma rmd rmf rmm rmo rmr rmt roa rod rof rom roo ror rot rra rrd rrf rrm rrr rrt rta rtd rtf rtm rto rtr rtt taa tad taf tam tao tar tat tda tdd tdf tdm tdo tdr tdt tfa tfd tff tfm tfo tfr tft tma tmd tmf tmm tmo tmr tmt to- toa tod tof tom too tor tot tra trd trf trm tro trr trt tta ttd ttf ttm tto ttr ttt