aaaa aaab aaac aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aacl aaco aacr aact aala aalc aall aalo aaoo aara aarc aaro aart aata aatc aatt abaa abab abac abag abal abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abcl abcr abct abgl abla ablo aboa abob abol aboo abor abot abra abrc abro abta ac-t acaa acab acac acag acar acat acba acbl acca accc acco acct acga acgr acla aclc aclr acoa acog acol acor acot acr- acra acrc acro acrr acta actc actg actl acto actt ag-o agac agag agal agao agar agat agba agbo agca agcc agco agct agga agla aglc agob agog agol agoo agot agra agrl agro agta agtr alaa alac alag alal alao alar alat alb- alba albc albo alca alcc alco alg- alga algo all- alla alll allo allr aloa aloc alog alol aloo alor alot alro alta alto aoba aoca aola aora aorb aort aotc arab arac arag aral arar arat arba arc- arca arco arct arga argb argo arla arlo aroa arob aroo aror arr- arra arrc arrg arro arrr arrt arta artc arto artr at-l at-t ataa atab atac atal atar atat atca atcc atcl atco atcr atgo atla atlo atob atoc atol ator atot atra atrc atro atta atto attr baaa baal baar baat baba babb babo babr bac- baca bacc baco bact baga bagg bago bagt bala balc ball balo balt baol bar- bara barb barc barg baro barr bart bata batc bato batt bbbb bbga bblb bbrc bbrg bcaa bcar bcat bcbc bcbg bcca bccc bccl bcor bcra bctc bgca blaa blab blac blag blat blbt blob bloc blog bloo blot blrc blrg boab boac boag boal boar boat boba bobb bobo boca boco boga bogg bogo bogt bola bolg boll bolo bolt boob booc boog bool boor boot bor- bora borg boro borr bort bota botb boto bott brab brac brag brao brat brca brcb broa brob broc brog brol broo bror brot brrr brtc btaa btcc btcl btla btob btor btrc btrt bttb c-bo caaa caab caac caal caat caba cabg cabo cac- caca cacc caco cacr caga cagg cago cagr cala calc call calo calt caol caor cara carb carc carl caro carr cart cat- cata catb catc cato catt cbac cbal cbar cbat cbbc cbca cbcc cbcl cbcr cbct cbga cbgb cblb cblc cbol cbot cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccag ccar ccat ccba ccbc ccca cccb cccc cccl ccga ccgc ccgt ccla cclc cclg ccob ccoc ccra ccrc ccrg ccrl ccrt cctb cctc cctl cctt cgac cgal cgcc cgcg cgro cgtl clab clag clar clat clob clog cloo clor clot clra clro cltb cltc coag coal coat coba cobb cobo coca coco coct cogo col- cola colb coll colo colt coob cool coot cor- cora corb corc corg corl coro corr cort cota cotb cotc coto cott crab crac crag crar crat crbc crca crcc crcr crob croc crol croo cror crot crrt crtc crtl ctab ctag ctal ctba ctca ctlg ctol ctor ctot ctrc ctrl ctta gaal gaar gaba gabb gabl gabo gabr gabt gaga gagg gago gala gall galo galt gaol gara garb garg garo garr gart gata gatc gato gatr gatt gbag gbbo gc-c gcaa gcal gcat gcbc gccc gclc gcoa gcrg gctc ggbt ggcl gggg glaa glab glar glat glbc glcc glob glog glor glot glrb glro goal goar goat goba gobl gobo goca gocr goga gogo gola goll golo golt goog gool goor goot gora gorb gorg goro gorr gort gota gotl goto gott grab grac grat grbr grcc grob groc grog grol groo gror grot grrl grrr grtc gtaa gtbr gtco gtcr gtta laaa laac laag laal laar laat laba labo labr laca lacc lacl laco lact lag- laga lagg lago lala lall lalo lara larb larc larg larr lart lata latc lato latt lbar lbcc lbgt lblr lbrt lcac lcat lcbc lcca lccc lcor lcra lcrg lcrl lctl lcto lgbt lgca llao llat llcc llgc lllc llll lloa lloc lloo loac loar loat lob- loba lobb lobo loca locc loco log- loga logb logo lola loll lolo loob looc lool loor loot lora loro lota lotl loto lotr lott lrac lral lrat lrba lrgb lroc lrrc lrrr lrta ltac ltbl ltcc ltcg ltra lttc lttr oall oara obal obba obbo obla obol obor obot obra obro ocab ocac ocal ocat ocbc occa occc occt ocga oclc ocra ocrl ocro ocrr oct- octa octo ogar ogb ogba ogla ogoa ogog ogra ogro olac olar olat olba olbo olca olcc olga olgc olgr olla ollo olog olor olot olta ooaa ooba oocr oola oolo oooo oora oort ootb orab orac oral orao orar orat orba orbb orbo orca orco orga orgo orla orlo oro- oror orot orra orro orta ortc orto otac otar otcl oto- otog otoo otor otra otro otta otto raab raag raat raba rabb rabl rabo rac- raca racc raco ract raga ragg rago rala ralb rall ralo ralt raob raoc raol rara rarb raro rata rato ratt rbbb rbbr rbcl rcac rcbc rcbo rccb rccc rcga rcgc rcrg rctc rctg rgba rgtr rlab rlcg roab roag roar roat rob- roba robb robo robt roca rocc roco roga rogg rogo rola roll rolo rolt roob roog rool roor root rora rorc roro rort rota rotc rotg rotl roto rotr rott rrat rrrr rtca rtcc rtcg rtlt taa- taag taal taar taat taba tabb tabc tabl tabo taca tacc tacl taco tact taga tagg tago tala talc tall talo taoa taor tara tarb tarc targ taro tarr tart tata tatb tato tatr tatt tbar tbca tbcb tbcc tbrb tbta tcca tccc tcga tctc tgcc tgtc tlac tlco tlgc toab toal toat toba tobo tobt toca toco toga togo togr togt tol- tola toll tolo tolt tooa tool toor toot tora torc torg toro torr tort tota totc toto totr tott traa trab trac trag tral trao trat trca trcc trcl troa troc trog troo trot