a-ha aaaa aaab aaac aaad aaah aaal aaam aaar aaba aabb aabc aabd aabh aabl aabm aaca aacb aacc aacd aach aacl aacm aacr aada aadc aaha aahl aala aalc aald aall aama aamb aamc aamd aamr aara aarc aard aarm abaa abab abac abad abal abam abar abb- abba abbb abbr abca abcb abcc abcd abch abcl abcr abda abha abhm abhr abla abma abmb abmc abra abrc acaa acab acac acad acar acba acbl acca accc accd acch accm acda acdb acdc acdm acha achh achl achr acla aclc aclr acma acmc acmh acr- acra acrc acrm acrr adaa adab adac adad adah adal adam adar adba adbc adcc adda addc addd addl addr adha adhd adma admb adml admr adra ahab ahac ahad ahah ahal aham ahar ahdl ahha ahla ahlm ahmc ahra ahrc ahrr alaa alac alad alal alam alar alb- alba albc albm alca alcc ald- alda aldl aldm alha all- alla allh alll allr alma almc amaa amac amad amah amal amam amar amb- amba ambr amca amcc amda amdh amhl amla amm- amma amra amrc amrl arab arac arad arah aral aram arar arba arbh arc- arca arch arcm arda ardc ardl ardm arh- arla arma armc armd armh arml armm arr- arra arrc arrh arrr baaa baad baah baal baam baar baba babb babm babr bac- baca bacc bach bada badb badd badh badr baha bahl bahr bala balc bald ball balm bama bamb bamc baml bamm bar- bara barb barc bard barh barm barr bbad bbbb bbch bbcm bbdd bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcda bchd bcma bcra bd-r bdbc bddc bddh bdrm bhar bhca bhcc bhdl bhra blaa blab blac blad blah blam bldc bldr blrc bmaa bmdb brab brac brad brah bram brca brcb brda brdm brmc brrm brrr c-cd caaa caab caac caah caal caam caba cac- caca cacc cach cacm cacr cada cadc cadd cadm cadr caha cahl cala calc cald call calm cama camb camc camh caml camm cara carb carc card carl carm carr cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcr cbdb cbdc cbha cbhl cblb cblc cbrd cbrh cbrl cbrm ccaa ccab ccac ccad ccam ccar ccba ccbc ccca cccb cccc cccl cccm ccdc ccdh ccdm ccdr ccha cchl cchr ccla cclc cclm ccma ccmb ccmc ccmd ccmm ccra ccrc ccrl cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdma chaa chab chac chad chah chal cham char chca chch chcm chha chlc chlr chmb chmc chml chra chrb chrc chrd chrr clab clad clam clar clcd cldc cldr clmd clra clrd cmaa cmac cmah cmba cmbc cmcc cmda cmdb cmdr cmha cmhc cmla cmll cmmb cmmc cmml cmra cmrr crab crac cram crar crbc crca crcc crcr crda crdc crmb daab daad daal daam daar daba dabb daca dada daha dahl dahm dala dall dama damb damh daml damm dara darb darc dard darl darr dbar dbcc dcbc dcca dccb dccc dccl dcdb dcma dcml dcra dddd ddlc ddrc dhaa dhad dhal dham dhar dlab dlbd dlha dmaa dmab dmac dmba dmcc dmch dmcm dmdc dmhc dmrb dmrc draa drab drac drad dram drar drba drbc drca drda drra haab haad haal haam haar haba hada hadh hadl haha hal- hala halb hald hall halm hama hamc hamd haml hamm hamr hara harc hard harh harl harm harr hbar hbcd hcbc hcca hccb hccc hcch hcdr hclm hcmc hcmm hcrd hdca hdda hdml hdra hdrm hhaa hhcl hhhh hhla hlah hlcm hmda hmhb hmmm hrac hrad hrbl hrdc hrrc laaa laac laad laal laam laar laba labr laca lacc lach lacl lada ladd laha lahm lahr lala lald lall lalm lama lamb lamd lamm lamr lara larb larc lard larm larr lbar lbcc lblr lbmc lcac lcad lcbc lcca lccc lccm lcdd lcdr lchc lchr lcra lcrd lcrl lddm ldha lhhh llcc lldb lldc lllc llll lmcc lmmr lrac lral lram lrba lrdd lrmc lrrc lrrr maaa maac maad maal maam maar maba mac- maca macb macc macd mach macr mada madb madc madd madh maha mahl mahr mal- mala mald mall malm mama mamc mar- mara marc mard marl marm marr mbac mbam mbba mbca mbda mbdb mbhl mcaa mcac mcad mcba mcbc mcca mccc mccd mccl mcdc mcdd mcdl mcla mcmc mcml mcrc mcrd mdac mdca mdcc mdch mdcl mddl mddm mdhc mdma mdmc mdra mdrc mhac mhmm mhmr mhra mlab mlah mlba mlcc mldr mmaa mmab mmac mmar mmcc mmcd mmcl mmcm mmda mmdb mmdc mmdl mmhl mmhm mmmc mmmd mmmh mmmm mmrc mr-c mrac mrad mrbb mrbm mrca mrcb mrcc mrda mrdd mrmc mrmd mrml mrrc raab raad raam raba rabb rabl rac- raca racc rach rada radc radd radh radl radm radr raha rahl rahm rahr rala ralb rall rama ramb raml ramm rara rarb rbbb rbbr rbcl rcac rcbc rccb rccc rcdc rchb rchm rcrd rdac rdbm rdcm rdma rhcm rlab rlml rmll rrad rrah rrmc rrrr