a-a a-t aaa aaf aam aao aar aat aau aax af- afa aff afm afo afr aft afu afx ama amf amm amo amr amt amu amx aoa aof aom aoo aor aot aou aox ar- ara arf arm aro arr art aru arx at- ata atf atm ato atr att atu atx au- aua auf aum auo aur aut aux ax- axa axm axo axr axt axx faa faf fam fao far fat fau fax ffa fff ffm ffo ffr fft ffu ffx fma fmf fmm fmo fmr fmt fmu fmx foa fof fom foo for fot fou fox fra frf frm fro frr frt fru fta ftf ftm fto ftr ftt ftu ftx fua fuf fum fuo fur fut fuu fux fxm fxr fxt fxu fxx m-f m-o m-r maa maf mam mao mar mat mau max mfa mff mfm mfo mfr mft mfu mma mmf mmm mmo mmr mmt mmu mmx moa mof mom moo mor mot mou mox mra mrf mrm mro mrr mrt mru mrx mta mtf mtm mto mtr mtt mtu mtx mua muf mum mur mut muu mux mxa mxr mxu oaa oaf oam oao oar oat oau oax of- ofa off ofm ofo ofr oft ofu ofx om- oma omf omm omo omr omt omu omx oo- ooa oof oom ooo oor oot oox or- ora orf orm oro orr ort oru orx ot- ota otf otm oto otr ott otu ou- oua ouf oum ouo our out ox- oxa oxf oxo oxt oxx ra- raa raf ram rao rar rat rau rax rfa rff rfm rfo rfr rft rfu rma rmf rmm rmo rmr rmt rmx roa rof rom roo ror rot rou rox rra rrf rrm rrr rrt rru rta rtf rtm rto rtr rtt rtu rtx rua ruf rum ruo rur rut ruu rux rxr t-x taa taf tam tao tar tat tau tax tfa tff tfm tfo tfr tft tfu tfx tma tmf tmm tmo tmr tmt tmu tmx to- toa tof tom too tor tot tou tox tra trf trm tro trr trt tru trx tta ttf ttm tto ttr ttt ttu ttx tua tuf tum tuo tur tut tuu tux txf txt txu ua- uaa uaf uam uao uar uat uau ufa uff ufm ufo ufr uft ufu ufx um- uma umf umm umo umr umt umu uoa uom uoo uor uot uox ur- ura urf urm uro urr urt uru urx uta utf utm uto utr utt utu utx uua uum uur uut uuu uxf uxo uxr uxt uxu xaa xaf xam xar xat xau xfa xfm xft xfx xma xmf xmm xmo xmr xmt xmu xmx xoa xof xom xoo xor xot xox xrf xrt xrx xtf xtm xtr xtx xxo xxx