-ic a-a a-c a-i a-t aaa aac aaf aai aan aao aar aat aax ac- aca acc acf aci acn aco acr act acx af- afa afc aff afi afn afo afr aft afx ai- aia aic aif aii ain aio air ait aix an- ana anc anf ani ann ano anr ant anx aoa aoc aof aoi aon aoo aor aot aox ar- ara arc arf ari arn aro arr art arx at- ata atc atf ati atn ato atr att atx ax- axa axi axn axo axr axt axx c-- caa cac caf cai can cao car cat cax cca ccc ccf cci ccn cco ccr cct ccx cfa cfc cff cfi cfn cfo cfr cft cfx ci- cia cic cif cii cin cio cir cit cix cn- cna cnc cnf cni cnn cno cnr cnt cnx co- coa coc cof coi con coo cor cot cox cra crc crf cri crn cro crr crt crx cta ctc ctf cti ctn cto ctr ctt ctx cxc cxf cxi cxo cxr cxt cxx faa fac faf fai fan fao far fat fax fca fcc fcf fci fcn fco fcr fct fcx ffa ffc fff ffi ffn ffo ffr fft ffx fia fic fif fii fin fir fit fix fna fnc fnf fni fnn fnr fnt fnx foa foc fof foi fon foo for fot fox fra frc frf fri frn fro frr frt fta ftc ftf fti ftn fto ftr ftt ftx fxi fxr fxt fxx i-f ia- iaa iac iaf iai ian iao iar iat ica icc icf ici icn ico icr ict ifa ifc iff ifi ifn ifo ifr ift ifx iia iic iif iii iin iio iir iit iix in- ina inc inf ini inn ino inr int inx io- ioa ioc iof ioi ion ioo ior iot ir- ira irc irf iri irn iro irr irt irx ita itc itf iti itn ito itt itx ixc ixi ixn n-i naa nac naf nai nan nao nar nat nax nca ncc ncf nci ncn nco ncr nct ncx nfa nfc nff nfi nfn nfo nfr nft nia nic nif nii nin nio nir nit nix nna nnc nnf nni nnn nno nnt no- noa noc nof noi non noo nor not nox nra nrc nrf nri nrn nro nrr nrt nrx nta ntc ntf nti ntn nto ntr ntt ntx nxc nxt o-i oaa oac oaf oai oan oao oar oat oax oc- oca occ ocf oci ocn oco ocr oct ocx of- ofa ofc off ofi ofn ofo ofr oft ofx oia oic oif oii oin oio oir oit on- ona onc onf oni onn ono onr ont onx oo- ooa ooc oof ooi oon ooo oor oot oox or- ora orc orf ori orn oro orr ort orx ot- ota otc otf oti otn oto otr ott ox- oxa oxc oxf oxi oxn oxo oxt oxx ra- raa rac raf rai ran rao rar rat rax rca rcc rcf rci rcn rco rcr rct rcx rfa rfc rff rfi rfn rfo rfr rft ria ric rif rii rin rio rir rit rix rna rnc rni rnn rno rnr rnt roa roc rof roi ron roo ror rot rox rra rrc rrf rri rrn rrr rrt rta rtc rtf rti rtn rto rtr rtt rtx rxr t-x taa tac taf tai tan tao tar tat tax tca tcc tcf tci tcn tco tcr tct tcx tfa tfc tff tfi tfn tfo tfr tft tfx tia tic tif tii tin tio tir tit tix tna tnc tnf tni tnn tno tnr tnt tnx to- toa toc tof toi ton too tor tot tox tra trc trf tri trn tro trr trt trx tta ttc ttf tti ttn tto ttr ttt ttx txf txi txn txt xaa xac xaf xan xar xat xcf xci xcr xcx xfa xfn xft xfx xia xic xii xin xio xit xix xna xnc xno xoa xoc xof xoi xon xoo xor xot xox xrc xrf xrt xrx xtc xtf xti xtr xtx xxi xxo xxx