-al -ol a-a a-b a-t aaa aab aal aan aao aap aat ab- aba abb abl abn abo abp abt al- ala alb all aln alo alp alt an- ana anb anl ann ano anp ant aoa aob aol aon aoo aop aot ap- apa apb apl apn apo app apt at- ata atb atl atn ato atp att b-p baa bab bal ban bao bap bat bba bbb bbl bbn bbo bbp bbt bla blb bll bln blo blp blt bna bnb bnl bnn bno bnp bnt boa bob bol bon boo bop bot bpa bpb bpl bpn bpo bpp bpt bta btb btl btn bto btp btt l-p la- laa lab lal lan lao lap lat lba lbb lbl lbo lbp lbt lla llb lll lln llo llp llt lna lnb lnl lnn lno lnp lnt loa lob lol lon loo lop lot lpa lpb lpl lpn lpo lpp lpt lta ltb ltl lto ltp ltt naa nab nal nan nao nap nat nba nbb nbl nbn nbo nbp nbt nla nlb nll nln nlo nlp nlt nna nnb nnl nnn nno nnp nnt no- noa nob nol non noo nop not npa npb npl npn npo npp npt nta ntb ntn nto ntp ntt oaa oab oal oan oao oap oat ob- oba obb obl obn obo obp obt ola olb oll oln olo olp olt on- ona onb onl onn ono onp ont oo- ooa oob ool oon ooo oop oot op- opa opb opl opn opo opp opt ot- ota otb otl otn oto otp ott p-p paa pab pal pan pao pap pat pba pbb pbl pbn pbo pbp pbt pla plb pll pln plo plp plt pn- pna pnb pnl pnn pno pnp pnt poa pob pol pon poo pop pot ppa ppb ppl ppn ppo ppp ppt pt- pta ptb ptl ptn pto ptp ptt taa tab tal tan tao tap tat tba tbb tbl tbn tbo tbp tbt tla tll tln tlo tlp tlt tna tnb tnl tnn tno tnp tnt to- toa tob tol ton too top tot tpa tpb tpl tpn tpo tpp tpt tta ttb ttl ttn tto ttp ttt