-al -ol a-a a-b a-i a-t aaa aab aae aai aal aan aao aap aat ab- aba abb abe abi abl abn abo abp abt aea aeb aee aei ael aen aeo aep aet ai- aia aib aie aii ail ain aio aip ait al- ala alb ale ali all aln alo alp alt an- ana anb ane ani anl ann ano anp ant aoa aob aoe aoi aol aon aoo aop aot ap- apa apb ape api apl apn apo app apt at- ata atb ate ati atl atn ato atp att b-p baa bab bae bai bal ban bao bap bat bba bbb bbe bbi bbl bbn bbo bbp bbt be- bea beb bee bei bel ben beo bep bet bi- bia bib bie bii bil bin bio bip bit bla blb ble bli bll bln blo blp blt bna bnb bne bni bnl bnn bno bnp bnt boa bob boe boi bol bon boo bop bot bpa bpb bpe bpi bpl bpn bpo bpp bpt bta btb bte bti btl btn bto btp btt eaa eab eae eai eal ean eao eap eat eba ebb ebe ebi ebl ebn ebo ebp ebt eea eeb eee eel een eeo eep eet eia eib eie eii eil ein eio eip eit ela elb ele eli ell eln elo elp elt en- ena enb ene eni enl enn eno enp ent eo- eoa eob eoe eoi eol eon eoo eop eot ep- epa epb epe epi epl epn epo epp ept eta etb ete eti etl etn eto etp ett ia- iaa iab iae iai ial ian iao iap iat iba ibb ibe ibi ibl ibn ibo ibp ibt ie- iea iee iei iel ien iep iet iia iib iie iii iil iin iio iip iit il- ila ilb ile ili ill iln ilo ilp ilt in- ina inb ine ini inl inn ino inp int io- ioa iob ioe ioi iol ion ioo iop iot ipa ipb ipe ipi ipl ipn ipo ipp ipt ita itb ite iti itl itn ito itp itt l-p la- laa lab lae lai lal lan lao lap lat lba lbb lbe lbi lbl lbo lbp lbt lea leb lee lei lel len leo lep let lia lib lie lii lil lin lio lip lit lla llb lle lli lll lln llo llp llt lna lnb lne lni lnl lnn lno lnp lnt loa lob loe loi lol lon loo lop lot lpa lpb lpe lpi lpl lpn lpo lpp lpt lta ltb lte lti ltl lto ltp ltt n-i naa nab nae nai nal nan nao nap nat nba nbb nbe nbi nbl nbn nbo nbp nbt ne- nea neb nee nei nel nen neo nep net nia nib nie nii nil nin nio nip nit nla nlb nle nli nll nln nlo nlp nlt nna nnb nne nni nnl nnn nno nnp nnt no- noa nob noe noi nol non noo nop not npa npb npe npi npl npn npo npp npt nta ntb nte nti ntn nto ntp ntt o-i oaa oab oae oai oal oan oao oap oat ob- oba obb obe obi obl obn obo obp obt oea oeb oee oei oel oen oeo oep oet oia oib oie oii oil oin oio oip oit ola olb ole oli oll oln olo olp olt on- ona onb one oni onl onn ono onp ont oo- ooa oob ooi ool oon ooo oop oot op- opa opb ope opi opl opn opo opp opt ot- ota otb ote oti otl otn oto otp ott p-p paa pab pae pai pal pan pao pap pat pba pbb pbe pbi pbl pbn pbo pbp pbt pea peb pee pei pel pen peo pep pet pia pib pie pii pil pin pio pip pit pla plb ple pli pll pln plo plp plt pn- pna pnb pne pni pnl pnn pno pnp pnt poa pob poe poi pol pon poo pop pot ppa ppb ppe ppi ppl ppn ppo ppp ppt pt- pta ptb pte pti ptl ptn pto ptp ptt taa tab tae tai tal tan tao tap tat tba tbb tbe tbi tbl tbn tbo tbp tbt te- tea teb tee tei tel ten teo tep tet tia tib tie tii til tin tio tip tit tla tle tli tll tln tlo tlp tlt tna tnb tne tni tnl tnn tno tnp tnt to- toa tob toe toi tol ton too top tot tpa tpb tpe tpi tpl tpn tpo tpp tpt tta ttb tte tti ttl ttn tto ttp ttt