a-ak a-ha aaaa aaac aaad aaah aaal aaca aacc aacd aach aack aacl aada aadc aaha aahk aahl aaka aala aalc aald aall acaa acac acad acca accc accd acch acda acdc acha achh achl ackd acla aclc adaa adac adad adah adak adal adcc adda addc addd addl adha adhd ahac ahad ahah ahal ahdl ahha ahla akaa akah akal akca akha akka alaa alac alad alak alal alca alcc ald- alda aldl alha alk- alka alkd all- alla allh alll c-cd caaa caac caah caal cac- caca cacc cach cack cada cadc cadd caha cahl caka cala calc cald calk call ccaa ccac ccad ccca cccc cccl ccdc ccdh ccha cchl ccla cclc cdaa cdac cdad cdda cddl chaa chac chad chah chak chal chca chch chha chka chlc ckac ckch ckck ckcl clad clcd cldc daad daal daca dada daha dahl daka dala dalk dall dcca dccc dccl dddd ddlc dhaa dhad dhak dhal dkdc dlha haad haak haal hack hada hadh hadl haha haka hakk hal- hala hald halk hall hcca hccc hcch hdca hdda hhaa hhcl hhhh hhla hkcc hkcl hkdl hlah kaaa kaak kaal kacc kacd kach kacl kad- kada kadd kadl kaha kahc kahl kaka kakc kakh kakk kala kalc kald kalk kall kcaa kcac kcad kcah kcal kcca kccc kccd kcck kccl kcda kcdc kcdd kcha kchh kchk kchl kckc kckk kckl kcla kclc kclh kclk kcll kdaa kdac kdad kdak kdal kdca kdcc kdcd kddc kddd kddk kddl kdhl kdka kdkd kdkk kdla kdlc kdld kdlh kdll khac khad khak khal khca khcc khch khck khdc khdk khhk khhl khka khkk khla khlc khll kkaa kkac kkal kkcd kkch kkck kkcl kkda kkdc kkdd kkdl kkha kkhh kkhk kkkk kklc kkld kklh kkll klaa klac klad klak klal klca klcc klcd klch klck klcl kldc kldd klhc klka klkc klkk klkl klla kllc kllk laaa laac laad laak laal laca lacc lach lack lacl lada ladd laha laka lakh lala lald lall lcac lcad lcca lccc lcdd lchc ldha lhhh lkal llcc lldc lllc llll