a-ha aaaa aaab aaac aaah aaal aaar aaba aabb aabc aabh aabl aabt aaca aacb aacc aach aacl aaco aacr aact aaha aahl aala aalc aall aalo aaoo aara aarc aaro aart aata aatc aatt abaa abab abac abal abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abch abcl abcr abct abha abho abhr abla ablo aboa abob aboh abol aboo abor abot abra abrc abro abta ac-t acaa acab acac acar acat acba acbl acca accc acch acco acct acha achh achl acho achr acht acla aclc aclr acoa acoh acol acor acot acr- acra acrc acro acrr acta actc acth actl acto actt ahab ahac ahah ahal ahar ahat ahha ahla ahoa ahor ahot ahra ahrc ahrr ahta ahto alaa alac alal alao alar alat alb- alba albc albo alca alcc alco alha all- alla allh alll allo allr aloa aloc aloh alol aloo alor alot alro alta alto aoah aoba aoca aola aora aorb aort aotc arab arac arah aral arar arat arba arbh arc- arca arch arco arct arh- arla arlo aroa arob aroo aror arr- arra arrc arrh arro arrr arrt arta artc arth arto artr at-l at-t ataa atab atac atal atar atat atca atcc atch atcl atco atcr atha athl atho atla atlo atob atoc atol ator atot atra atrc atro atta atto attr baaa baah baal baar baat baba babb babo babr bac- baca bacc bach baco bact baha bahl baho bahr baht bala balc ball balo balt baoh baol bar- bara barb barc barh baro barr bart bata batc bath bato batt bbbb bbch bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcor bcra bctc bhao bhar bhat bhca bhcc bhor bhot bhra bhrt blaa blab blac blah blat blbt blob bloc bloo blot blrc boab boac boal boar boat boba bobb bobo boca boch boco boha bohl boho bohr boht bola boll bolo bolt boob booc booh bool boor boot bor- bora borh boro borr bort bota botb both boto bott brab brac brah brao brat brca brcb broa brob broc broh brol broo bror brot brrr brtc btaa btcc btcl btla btob btor btrc btrt bttb c-bo caaa caab caac caah caal caat caba cabo cac- caca cacc cach caco cacr caha cahl caht cala calc call calo calt caol caor cara carb carc carl caro carr cart cat- cata catb catc cath cato catt cbac cbal cbar cbat cbbc cbca cbcc cbcl cbcr cbct cbha cbhl cblb cblc cbol cbot cbrh cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccl ccha cchl cchr ccla cclc ccob ccoc ccra ccrc ccrl ccrt cctb cctc cctl cctt chaa chab chac chah chal chao char chat chca chch chha chlc chlr chlt choc choh chol choo chor chra chrb chrc chro chrr chrt chto chtr chtt clab clar clat clob cloo clor clot clra clro cltb cltc coal coat coba cobb cobh cobo coca coch coco coct coha coho col- cola colb coll colo colt coob cooh cool coot cor- cora corb corc corl coro corr cort cota cotb cotc coth coto cott crab crac crar crat crbc crca crcc crcr crob croc croh crol croo cror crot crrt crtc crtl ctab ctal ctba ctca ctol ctor ctot ctrc ctrl ctta haab haal haar haat haba habo habt haco haha haho haht hal- hala halb hall halo halt haor hara harc harh harl haro harr hart hata hatb hath hato hatt hbar hboc hbtl hcat hcbc hcca hccb hccc hcch hhaa hhat hhcl hhhh hhla hlah hoac hoar hoat hoba hobo hoca hoch hocr hoha hohl hoho hol- hola holb holc holh holl holo holt hool hoor hoot hora horc horl horo horr hort hota hotb hoth hotl hoto hotr hott hrac hrbl hrob hrrc hrta hrtb htab htcc htoh htol htra httr laaa laac laal laar laat laba labo labr laca lacc lach lacl laco lact laha laho lahr laht lala lall lalo lara larb larc larr lart lata latc lath lato latt lbar lbcc lblr lbrt lcac lcat lcbc lcca lccc lchc lchr lcor lcra lcrl lctl lcto lhhh lhor llao llat llcc lllc llll lloa lloc lloo loac loar loat lob- loba lobb lobh lobo loca locc loch loco loha loho lohr lola loll lolo loob looc lool loor loot lora loro lota loth lotl loto lotr lott lrac lral lrat lrba lroc lrrc lrrr lrta ltac ltbl ltcc lthr ltra lttc lttr oall oara oath obal obba obbo obla obol obor obot obra obrh obro ocab ocac ocal ocat ocbc occa occc occt ocha ocht oclc ocra ocrl ocro ocrr oct- octa octo ohal ohba ohcc ohho ohob ohoh ohra ohta ohto olac olah olar olat olba olbo olca olcc olla ollo olor olot olta ooaa ooba oocr ooha ooho oola oolo oooh oooo oora oort ootb orab orac orah oral orao orar orat orba orbb orbo orca orch orco orla orlo oro- oror orot orra orro orta ortc orth orto otac otar otcl otha otho othr oto- otoh otoo otor otra otro otta otto raab raat raba rabb rabl rabo rac- raca racc rach raco ract raha rahl rahr raht rala ralb rall ralo ralt raob raoc raoh raol rara rarb raro rata rath rato ratt rbbb rbbr rbcl rboh rcac rcbc rcbo rccb rccc rchb rctc rhoa rhob rhoc rhoh rlab roab roar roat rob- roba robb robo robt roca rocc roch roco roha rohl rohr rola roll rolo rolt roob rool roor root rora rorc roro rort rota rotc roth rotl roto rotr rott rrah rrat rrrr rtca rtcc rtlt taa- taal taar taat taba tabb tabc tabl tabo taca tacc tach tacl taco tact taha taho tahr tala talc talh tall talo taoa taor tara tarb tarc taro tarr tart tata tatb tath tato tatr tatt tbar tbca tbcb tbcc tbrb tbta tcca tccc tch- tcha tchh tcho tchr tctc thaa thal thao thar that thca thch thoo thor thot thra thro