-al -ol a-a a-b a-i a-t aaa aab aai aal aan aao aap aat aax ab- aba abb abi abl abn abo abp abt abx ai- aia aib aii ail ain aio aip ait aix al- ala alb ali all aln alo alp alt alx an- ana anb ani anl ann ano anp ant anx aoa aob aoi aol aon aoo aop aot aox ap- apa apb api apl apn apo app apt apx at- ata atb ati atl atn ato atp att atx ax- axa axi axl axn axo axp axt axx b-p baa bab bai bal ban bao bap bat bax bba bbb bbi bbl bbn bbo bbp bbt bbx bi- bia bib bii bil bin bio bip bit bix bla blb bli bll bln blo blp blt blx bna bnb bni bnl bnn bno bnp bnt bnx boa bob boi bol bon boo bop bot box bpa bpb bpi bpl bpn bpo bpp bpt bpx bta btb bti btl btn bto btp btt btx bxb bxi bxl bxn bxo bxx ia- iaa iab iai ial ian iao iap iat iba ibb ibi ibl ibn ibo ibp ibt ibx iia iib iii iil iin iio iip iit iix il- ila ilb ili ill iln ilo ilp ilt ilx in- ina inb ini inl inn ino inp int inx io- ioa iob ioi iol ion ioo iop iot ipa ipb ipi ipl ipn ipo ipp ipt ipx ita itb iti itl itn ito itp itt itx ixi ixl ixn l-p la- laa lab lai lal lan lao lap lat lax lba lbb lbi lbl lbo lbp lbt lbx lia lib lii lil lin lio lip lit lix lla llb lli lll lln llo llp llt lna lnb lni lnl lnn lno lnp lnt loa lob loi lol lon loo lop lot lox lpa lpb lpi lpl lpn lpo lpp lpt lpx lta ltb lti ltl lto ltp ltt ltx lxi lxo lxx n-i naa nab nai nal nan nao nap nat nax nba nbb nbi nbl nbn nbo nbp nbt nbx nia nib nii nil nin nio nip nit nix nla nlb nli nll nln nlo nlp nlt nlx nna nnb nni nnl nnn nno nnp nnt no- noa nob noi nol non noo nop not nox npa npb npi npl npn npo npp npt nta ntb nti ntn nto ntp ntt ntx nxl nxt o-i oaa oab oai oal oan oao oap oat oax ob- oba obb obi obl obn obo obp obt obx oia oib oii oil oin oio oip oit ola olb oli oll oln olo olp olt on- ona onb oni onl onn ono onp ont onx oo- ooa oob ooi ool oon ooo oop oot oox op- opa opb opi opl opn opo opp opt opx ot- ota otb oti otl otn oto otp ott ox- oxa oxb oxi oxn oxo oxt oxx p-p paa pab pai pal pan pao pap pat pax pba pbb pbi pbl pbn pbo pbp pbt pbx pia pib pii pil pin pio pip pit pix pla plb pli pll pln plo plp plt plx pn- pna pnb pni pnl pnn pno pnp pnt pnx poa pob poi pol pon poo pop pot pox ppa ppb ppi ppl ppn ppo ppp ppt ppx pt- pta ptb pti ptl ptn pto ptp ptt ptx pxl pxt t-x taa tab tai tal tan tao tap tat tax tba tbb tbi tbl tbn tbo tbp tbt tia tib tii til tin tio tip tit tix tla tli tll tln tlo tlp tlt tlx tna tnb tni tnl tnn tno tnp tnt tnx to- toa tob toi tol ton too top tot tox tpa tpb tpi tpl tpn tpo tpp tpt tpx tta ttb tti ttl ttn tto ttp ttt ttx txi txl txn txt xaa xal xan xap xat xbl xbx xia xii xin xio xit xix xla xlb xli xlt xna xno xoa xoi xon xoo xop xot xox xpa xpb xpl xpn xpo xpp xpt xti xtp xtx xxi xxl xxo xxp xxx