-ana a-ha aaaa aaab aaac aaad aaah aaal aaan aaar aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aacl aacn aacr aada aadc aaha aahl aala aalc aald aall aana aand aara aarc aard abaa abab abac abad abal aban abar abb- abba abbb abbr abca abcb abcc abcd abch abcl abcn abcr abda abha abhr abla abra abrc acaa acab acac acad acan acar acba acbl acca accc accd acch acda acdb acdc acha achh achl achr acla aclc aclr acr- acra acrc acrr adaa adab adac adad adah adal adan adar adba adbc adcc adda addc addd addl addn addr adha adhd adhn adna adra ahab ahac ahad ahah ahal ahar ahdl ahha ahla ahra ahrc ahrr alaa alac alad alal alan alar alb- alba albc alca alcc ald- alda aldl alha all- alla allh alll alln allr alna ana- anaa anab anac anad anah anal anan anar anba anbb anbl anca ancc and- anda andh andl andr anha anla anlc anln anna annb anrc arab arac arad arah aral aran arar arba arbh arc- arca arch arda ardc ardl arh- arla arna arnd arr- arra arrc arrh arrr baaa baad baah baal baan baar baba babb babr bac- baca bacc bach bacn bada badb badd badh badr baha bahl bahn bahr bala balc bald ball bana banc band banh bann banr bar- bara barb barc bard barh barn barr bbad bbbb bbch bbdd bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bchd bcra bd-r bdbc bddc bddh bdna bhan bhar bhca bhcc bhdl bhra blaa blab blac blad blah blan bldc bldr blrc bnrr brab brac brad brah bran brca brcb brda brna brrr c-cd caaa caab caac caah caal caan caba cac- caca cacc cach cacr cada cadc cadd cadr caha cahl cahn cala calc cald call cana canc cand canh cann cara carb carc card carl carn carr cbac cbal cbar cbbc cbca cbcc cbcl cbcn cbcr cbdb cbdc cbdn cbha cbhl cblb cblc cbln cbna cbnd cbrd cbrh cbrl cbrn ccaa ccab ccac ccad ccar ccba ccbc ccbn ccca cccb cccc cccl ccdc ccdh ccdn ccdr ccha cchl cchr ccla cclc ccna ccnb ccnc ccnr ccra ccrc ccrl cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdna cdnb cdnc chaa chab chac chad chah chal chan char chca chch chha chlc chln chlr chnb chnc chnl chnr chra chrb chrc chrd chrn chrr clab clad clan clar clcd cldc cldr clra clrd cnaa cnac cnbc cnbl cnda cndd cnna cnrc cnrr crab crac cran crar crbc crca crcc crcr crda crdc crna d-na daab daad daal daan daar daba dabb daca dada daha dahl dahn dala dall dana dand danl dann danr dara darb darc dard darl darn darr dbar dbcc dbnl dbrn dcbc dcca dccb dccc dccl dcdb dcra dddd ddlc ddrc dhaa dhad dhal dhan dhar dhrn dlab dlbd dlha dnaa dnab dnac dnad dnah dnan dnrc draa drab drac drad drar drba drbc drca drda drna drnh drra haab haad haal haan haar haba hada hadh hadl haha hahn hal- hala halb hald hall hana hanc hand hann hara harc hard harh harl harn harr hbar hbcd hcbc hcca hccb hccc hcch hcdr hcrd hdca hdda hdra hhaa hhcl hhhh hhla hlah hndd hnna hrac hrad hran hrbl hrdc hrdn hrrc laaa laac laad laal laan laar laba labr laca lacc lach lacl lada ladd laha lahn lahr lala lald lall lan- lana lanc land lann lara larb larc lard larn larr lbar lbcc lblr lcac lcad lcbc lcca lccc lcdd lcdr lchc lchr lcra lcrd lcrl ldha lhhh llan llcc lldb lldc lllc llll lncr lndn lrac lral lrba lrdd lrrc lrrr naaa naab naac naad naal naan naar naba nabc nabl naca nacc nacd nach nacl nada nadc nadh nadr naha nahl nahr nala nalc nald nall nan- nana nanb nand nann nara narc nard narh narn narr nbaa nbad nbar nbbc nbca nbcc nbhd ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncda ncdc ncdn ncdr ncha nchc nchd nclc ncln nclr ncna ncnc ncnd ncra ncrc ndaa ndcc nddb ndna ndrc nhcc nhhl nhla nhnn nhra nhrc nlab nlcc nlra nlrb nndb nnnn nrab nrca nrdc nrlb nrna nrrc nrrd nrrl raab raad raan raba rabb rabl rac- raca racc rach rada radc radd radh radl radr raha rahl rahn rahr rala ralb rall rana ranc rand rann rara rarb rbbb rbbr rbcl rcac rcbc rccb rccc rcdc rchb rcnl rcnr rcrd rdac rdna rlab rnal rnbr rndc rnhl rnld rrad rrah rrna rrrr