-al -ol a-a a-b a-i a-t aaa aab aad aai aal aan aao aar aat ab- aba abb abd abi abl abn abo abr abt ad- ada adb add adi adl adn ado adr adt ai- aia aib aid aii ail ain aio air ait al- ala alb ald ali all aln alo alr alt an- ana anb and ani anl ann ano anr ant aoa aob aod aoi aol aon aoo aor aot ar- ara arb ard ari arl arn aro arr art at- ata atb atd ati atl atn ato atr att baa bab bad bai bal ban bao bar bat bba bbb bbd bbi bbl bbn bbo bbr bbt bda bdb bdd bdi bdl bdo bdr bdt bi- bia bib bid bii bil bin bio bir bit bla blb bld bli bll bln blo blr blt bna bnb bnd bni bnl bnn bno bnr bnt boa bob bod boi bol bon boo bor bot bra brb brd bri brl brn bro brr brt bta btb btd bti btl btn bto btr btt daa dab dad dai dal dan dao dar dat dba dbb dbd dbi dbl dbn dbo dbr dbt dda ddb ddd ddi ddl ddn ddo ddr ddt di- dia dib did dii dil din dio dir dit dl- dla dlb dld dli dll dlo dlr dlt dna dnb dnd dni dnl dnn dno dnr dnt doa dob dod doi dol don doo dor dot dra drb drd dri drl drn dro drr drt dta dtb dtd dti dtl dtn dto dtr dtt i-d ia- iaa iab iad iai ial ian iao iar iat iba ibb ibd ibi ibl ibn ibo ibr ibt ida idb idd idi idl idn ido idr idt iia iib iid iii iil iin iio iir iit il- ila ilb ild ili ill iln ilo ilr ilt in- ina inb ind ini inl inn ino inr int io- ioa iob iod ioi iol ion ioo ior iot ir- ira irb ird iri irl irn iro irr irt ita itb itd iti itl itn ito itt la- laa lab lad lai lal lan lao lar lat lba lbb lbd lbi lbl lbo lbr lbt lda ldb ldd ldi ldl ldn ldo ldr ldt lia lib lid lii lil lin lio lir lit lla llb lld lli lll lln llo llr llt lna lnb lnd lni lnl lnn lno lnr lnt loa lob lod loi lol lon loo lor lot lra lrb lrd lri lrn lro lrr lrt lta ltb ltd lti ltl lto ltr ltt n-i naa nab nad nai nal nan nao nar nat nba nbb nbd nbi nbl nbn nbo nbr nbt nda ndb ndd ndi ndl ndn ndo ndr ndt nia nib nid nii nil nin nio nir nit nla nlb nld nli nll nln nlo nlr nlt nna nnb nni nnl nnn nno nnt no- noa nob nod noi nol non noo nor not nra nrb nrd nri nrl nrn nro nrr nrt nta ntb ntd nti ntn nto ntr ntt o-i oaa oab oad oai oal oan oao oar oat ob- oba obb obd obi obl obn obo obr obt oda odb odd odi odl odn odo odr odt oia oib oid oii oil oin oio oir oit ola olb old oli oll oln olo olt on- ona onb ond oni onl onn ono onr ont oo- ooa oob ood ooi ool oon ooo oor oot or- ora orb ord ori orl orn oro orr ort ot- ota otb otd oti otl otn oto otr ott ra- raa rab rad rai ral ran rao rar rat rba rbb rbd rbi rbl rbn rbo rbr rbt rda rdb rdd rdi rdl rdn rdo rdr rdt ria rib rid rii ril rin rio rir rit rla rld rli rll rln rlo rlr rlt rna rnb rnd rni rnn rno rnr rnt roa rob rod roi rol ron roo ror rot rra rrb rrd rri rrl rrn rrr rrt rta rtb rtd rti rtl rtn rto rtr rtt taa tab tad tai tal tan tao tar tat tba tbb tbd tbi tbl tbn tbo tbr tbt tda tdb tdd tdi tdl tdn tdo tdr tdt tia tib tid tii til tin tio tir tit tla tld tli tll tln tlo tlr tlt tna tnb tnd tni tnl tnn tno tnr tnt to- toa tob tod toi tol ton too tor tot tra trb trd tri trl trn tro trr trt tta ttb ttd tti ttl ttn tto ttr ttt