-al -ol a-a a-b a-c a-t aaa aab aac aal aan aao aat ab- aba abb abc abl abn abo abt ac- aca acb acc acl acn aco act al- ala alb alc all aln alo alt an- ana anb anc anl ann ano ant aoa aob aoc aol aon aoo aot at- ata atb atc atl atn ato att baa bab bac bal ban bao bat bba bbb bbc bbl bbn bbo bbt bca bcb bcc bcl bcn bco bct bla blb blc bll bln blo blt bna bnb bnc bnl bnn bno bnt boa bob boc bol bon boo bot bta btb btc btl btn bto btt c-- caa cab cac cal can cao cat cba cbb cbc cbl cbn cbo cbt cca ccb ccc ccl ccn cco cct cl- cla clb clc cll cln clo clt cn- cna cnb cnc cnl cnn cno cnt co- coa cob coc col con coo cot cta ctb ctc ctl ctn cto ctt la- laa lab lac lal lan lao lat lba lbb lbc lbl lbo lbt lca lcb lcc lcl lcn lco lct lla llb llc lll lln llo llt lna lnb lnc lnl lnn lno lnt loa lob loc lol lon loo lot lta ltb ltc ltl lto ltt naa nab nac nal nan nao nat nba nbb nbc nbl nbn nbo nbt nca ncb ncc ncl ncn nco nct nla nlb nlc nll nln nlo nlt nna nnb nnc nnl nnn nno nnt no- noa nob noc nol non noo not nta ntb ntc ntn nto ntt oaa oab oac oal oan oao oat ob- oba obb obc obl obn obo obt oc- oca ocb occ ocl ocn oco oct ola olb olc oll oln olo olt on- ona onb onc onl onn ono ont oo- ooa oob ooc ool oon ooo oot ot- ota otb otc otl otn oto ott taa tab tac tal tan tao tat tba tbb tbc tbl tbn tbo tbt tca tcb tcc tcl tcn tco tct tla tlc tll tln tlo tlt tna tnb tnc tnl tnn tno tnt to- toa tob toc tol ton too tot tta ttb ttc ttl ttn tto ttt

-ana aaaa aaab aaac aaal aaan aaba aabb aabc aabl aabt aaca aacb aacc aacl aacn aaco aact aala aalc aall aalo aana aaon aaoo aata aatc aatt abaa abab abac abal aban abat abb- abba abbb abbo abbt abca abcb abcc abcl abcn abct abla ablo aboa abob abol abon aboo abot abta ac-t acaa acab acac acan acat acba acbl acca accc acco acct acla aclc acoa acol acon acot acta actc actl acto actt alaa alac alal alan alao alat alb- alba albc albo alca alcc alco all- alla alll alln allo alna aloa aloc alol alon aloo alot alta altn alto ana- anaa anab anac anal anan anao anat anba anbb anbl anbo anca ancc anco anct anla anlc anln anlo anna annb anno annt ano- anoa anon ant- anta antl anto antt aoba aoca aola aonb aono aont aotc at-l at-t ataa atab atac atal atan atat atca atcc atcl atco atla atlo atna atno atob atoc atol aton atot atta attn atto baaa baal baan baat baba babb babo bac- baca bacc bacn baco bact bala balc ball balo balt bana banc bann bano bant baol baon bata batc batn bato batt bbbb bblb bcaa bcat bcbc bcca bccc bccl bctc blaa blab blac blan blat blbt blno blob bloc blon bloo blot bnoc bnta boab boac boal boan boat boba bobb bobo boca boco bola boll boln bolo bolt bona bonc bonn bono bont boob booc bool boon boot bota botb botn boto bott btaa btan btcc btcl btla btob bttb c-bo caaa caab caac caal caan caat caba cabo cac- caca cacc caco cala calc call calo calt cana canc cann cano cant caol cat- cata catb catc cato catt cbac cbal cbat cbbc cbca cbcc cbcl cbcn cbct cblb cblc cbln cbna cbol cbot cbta cbtc cbtl ccaa ccab ccac ccat ccba ccbc ccbn ccca cccb cccc cccl ccla cclc ccna ccnb ccnc ccob ccoc cctb cctc cctl cctt clab clan clat clob clon cloo clot cltb cltc cnaa cnac cnbc cnbl cnco cnna cnta cntc coal coan coat coba cobb cobo coca coco coct col- cola colb coll coln colo colt con- cona conc conn cono cont coob cool coon coot cota cotb cotc cotn coto cott ctab ctal ctan ctba ctca ctol ctot ctta cttn laaa laac laal laan laat laba labo laca lacc lacl laco lact lala lall lalo lan- lana lanc lann lano lant laon lata latc latn lato latt lbcc lcac lcat lcbc lcca lccc lctl lcto llan llao llat llcc lllc llll lloa lloc lloo lntc loac loan loat lob- loba lobb lobo loca locc locn loco lola loll lolo lona lono lont loob looc lool loon loot lota lotl loto lott ltac ltbl ltcc ltnt lttc naaa naab naac naal naan naat naba nabc nabl nabo naca nacc nacl naco nala nalc nall nalt nan- nana nanb nann nano nant naoc naot nata natc natl nato natt nbaa nbbc nbbo nbca nbcc nbco ncaa ncac ncat ncba ncbc ncca nccc nccn ncct nclc ncln ncna ncnc ncoa ncoc ncta nctc nlab nlat nlcc nnnn nnot nntn noaa noac noal noat noba nobc nobo nocl noco noct nola noll nolo nolt non- nona nonn nono nont noo- noob nool noon nooo noot not- nota noto nott ntbc ntcc ntla ntto oall obal oban obba obbo obla obol obon obot ocab ocac ocal ocan ocat ocbc occa occc occn occt oclc ocna ocon oct- octa octo olac olan olat olba olbo olca olcc olla ollo olon olot olta onab onal onan onat onc- onca onco onct onla onna onno onon ont- ontc onto ooaa ooba oola oolo oona oont oooo ootb otac otan otcl oto- oton otoo otta otto taa- taal taan taat taba tabb tabc tabl tabo taca tacc tacl taco tact tala