-al -ol a-a a-i a-t aaa aaf aai aal aao aap aas aat aax af- afa aff afi afl afo afp afs aft afx ai- aia aif aii ail aio aip ais ait aix al- ala alf ali all alo alp als alt alx aoa aof aoi aol aoo aop aos aot aox ap- apa apf api apl apo app aps apt apx as- asa asf asi asl aso asp ass ast asx at- ata atf ati atl ato atp ats att atx ax- axa axi axl axo axp axs axt axx faa faf fai fal fao fap fas fat fax ffa fff ffi ffl ffo ffp ffs fft ffx fia fif fii fil fip fis fit fix fla flf fli fll flo flp fls flt flx foa fof foi fol foo fop fos fot fox fpa fpi fpl fpo fpp fps fpt fpx fsa fsf fsi fsl fso fsp fss fst fsx fta ftf fti ftl fto ftp fts ftt ftx fxi fxp fxs fxt fxx i-f ia- iaa iaf iai ial iao iap ias iat ifa iff ifi ifl ifo ifp ifs ift ifx iia iif iii iil iio iip iis iit iix il- ila ilf ili ill ilo ilp ils ilt ilx io- ioa iof ioi iol ioo iop ios iot ipa ipf ipi ipl ipo ipp ips ipt ipx is- isa isf isi isl iso isp iss ist ita itf iti itl ito itp its itt itx ixi ixl l-p la- laa laf lai lal lao lap las lat lax lfa lff lfi lfl lfo lfp lfs lft lfx lia lif lii lil lio lip lis lit lix lla llf lli lll llo llp lls llt loa lof loi lol loo lop los lot lox lpa lpf lpi lpl lpo lpp lps lpt lpx lsa lsf lsi lsl lso lsp lss lst lta ltf lti ltl lto ltp lts ltt ltx lxi lxo lxx o-i oaa oaf oai oal oao oap oas oat oax of- ofa off ofi ofl ofo ofp ofs oft ofx oia oif oii oil oio oip ois oit ola olf oli oll olo olp ols olt oo- ooa oof ooi ool ooo oop oos oot oox op- opa opf opi opl opo opp ops opt opx os- osa osf osi osl oso osp oss ost osx ot- ota otf oti otl oto otp ots ott ox- oxa oxf oxi oxo oxt oxx p-p paa paf pai pal pao pap pas pat pax pfa pff pfi pfl pfo pfp pfs pft pfx pia pif pii pil pio pip pis pit pix pla plf pli pll plo plp pls plt plx poa pof poi pol poo pop pos pot pox ppa ppf ppi ppl ppo ppp pps ppt ppx ps- psa psf psi psl pso psp pss pst psx pt- pta ptf pti ptl pto ptp pts ptt ptx pxl pxs pxt saa saf sai sal sao sap sas sat sax sfa sff sfi sfl sfo sfp sfs sft sfx sia sif sii sil sio sip sis sit six sla slf sli sll slo slp sls slt slx soa sof soi sol soo sop sos sot sox spa spf spi spl spo spp sps spt spx ss- ssa ssf ssi ssl sso ssp sss sst ssx sta stf sti stl sto stp sts stt stx sxi sxl sxs sxt t-x taa taf tai tal tao tap tas tat tax tfa tff tfi tfl tfo tfp tfs tft tfx tia tif tii til tio tip tis tit tix tla tlf tli tll tlo tlp tls tlt tlx to- toa tof toi tol too top tos tot tox tpa tpf tpi tpl tpo tpp tps tpt tpx tsa tsf tsi tsl tso tsp tss tst tsx tta ttf tti ttl tto ttp tts ttt ttx txf txi txl txs txt xaa xaf xal xap xas xat xfa xfl xfs xft xfx xia xii xio xis xit xix xla xlf xli xls xlt xoa xof xoi xoo xop xos xot xox xpa xpf xpl xpo xpp xps xpt xsa xsi xsl xsp xss xst xtf xti xtp xts xtx xxi xxl xxo xxp xxx