-al -ol a-a a-b a-t aaa aab aae aak aal aan aao aap aat ab- aba abb abe abk abl abn abo abp abt aea aeb aee aek ael aen aeo aep aet aka akb ake akk akl akn ako akp al- ala alb ale alk all aln alo alp alt an- ana anb ane ank anl ann ano anp ant aoa aob aoe aok aol aon aoo aop aot ap- apa apb ape apk apl apn apo app apt at- ata atb ate atl atn ato atp att b-p baa bab bae bak bal ban bao bap bat bba bbb bbe bbk bbl bbn bbo bbp bbt be- bea beb bee bek bel ben beo bep bet bka bkb bke bkk bkl bkn bko bkp bkt bla blb ble blk bll bln blo blp blt bna bnb bne bnk bnl bnn bno bnp bnt boa bob boe bok bol bon boo bop bot bpa bpb bpe bpl bpn bpo bpp bpt bta btb bte btk btl btn bto btp btt eaa eab eae eak eal ean eao eap eat eba ebb ebe ebk ebl ebn ebo ebp ebt eea eeb eee eek eel een eeo eep eet eka ekb eke ekl eko ekp ekt ela elb ele elk ell eln elo elp elt en- ena enb ene enk enl enn eno enp ent eo- eoa eob eoe eok eol eon eoo eop eot ep- epa epb epe epl epn epo epp ept eta etb ete etk etl etn eto etp ett k-t ka- kaa kab kae kak kal kan kao kap kat kba kbb kbe kbk kbl kbn kbo kbp ke- kea keb kee kek kel ken keo kep ket kkb kke kkk kkl kkn kkp kkt kl- kla klb klo klt kn- kna kne knk knl knn kno knp knt koa kob koe kok kol kon koo kop kot kpa kpe kpk kpl kpn kpo kpp kpt kta ktb kte ktk ktl ktn kto ktp ktt l-p la- laa lab lae lak lal lan lao lap lat lba lbb lbe lbk lbl lbo lbp lbt lea leb lee lek lel len leo lep let lka lkb lkl lkp lkt lla llb lle llk lll lln llo llp llt lna lnb lne lnk lnl lnn lno lnp lnt loa lob loe lok lol lon loo lop lot lpa lpb lpe lpk lpl lpn lpo lpp lpt lta ltb lte ltk ltl lto ltp ltt naa nab nae nak nal nan nao nap nat nba nbb nbe nbk nbl nbn nbo nbp nbt ne- nea neb nee nek nel nen neo nep net nka nke nkk nkn nko nkp nkt nla nlb nle nlk nll nln nlo nlp nlt nna nnb nne nnk nnl nnn nno nnp nnt no- noa nob noe nok nol non noo nop not npa npb npe npl npn npo npp npt nta ntb nte ntk ntn nto ntp ntt oaa oab oae oak oal oan oao oap oat ob- oba obb obe obk obl obn obo obp obt oea oeb oee oel oen oeo oep oet oka okb oke okk okl oko okp ola olb ole olk oll oln olo olp olt on- ona onb one onk onl onn ono onp ont oo- ooa oob ook ool oon ooo oop oot op- opa opb ope opk opl opn opo opp opt ot- ota otb ote otk otl otn oto otp ott p-p paa pab pae pak pal pan pao pap pat pba pbb pbe pbk pbl pbn pbo pbp pbt pea peb pee pek pel pen peo pep pet pka pkb pke pkl pkn pko pkp pkt pla plb ple plk pll pln plo plp plt pn- pna pnb pne pnk pnl pnn pno pnp pnt poa pob poe pok pol pon poo pop pot ppa ppb ppe ppk ppl ppn ppo ppp ppt pt- pta ptb pte ptk ptl ptn pto ptp ptt taa tab tae tak tal tan tao tap tat tba tbb tbe tbk tbl tbn tbo tbp tbt te- tea teb tee tek tel ten teo tep tet tka tkb tke tkk tkl tko tkp tkt tla tle tlk tll tln tlo tlp tlt tna tnb tne tnk tnl tnn tno tnp tnt to- toa tob toe tok tol ton too top tot tpa tpb tpe tpk tpl tpn tpo tpp tpt tta ttb tte ttk ttl ttn tto ttp ttt