-ana a-ak a-ha aaaa aaab aaac aaad aaah aaan aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aack aacn aada aadc aaha aahk aaka aana aand abaa abab abac abad abak aban abb- abba abbb abca abcb abcc abcd abch abcn abda abha acaa acab acac acad acan acba acca accc accd acch acda acdb acdc acha achh ackd adaa adab adac adad adah adak adan adba adbc adcc adda addc addd addn adha adhd adhn adna ahab ahac ahad ahah ahha akaa akah akan akca akdn akha akka akna ana- anaa anab anac anad anah anak anan anba anbb anca ancc and- anda andh anha ank- anka ankh anna annb baaa baad baah baak baan baba babb bac- baca bacc bach back bacn bada badb badd badh baha bahn bak- baka bakh bana banc band banh bank bann bbad bbbb bbch bbdd bcaa bcbc bcca bccc bcda bchd bdbc bddc bddh bdna bhan bhca bhcc c-cd caaa caab caac caah caan caba cac- caca cacc cach cack cada cadc cadd caha cahn caka cana canc cand canh cank cann cbac cbbc cbca cbcc cbcn cbdb cbdc cbdn cbha cbka cbkn cbna cbnd ccaa ccab ccac ccad ccba ccbc ccbn ccca cccb cccc ccdc ccdh ccdn ccha ccna ccnb ccnc cdaa cdac cdad cdba cdda cddb cdna cdnb cdnc chaa chab chac chad chah chak chan chca chch chha chka chkb chnb chnc ckac ckan ckbc ckch ckck cknb cknc cnaa cnac cnbc cnda cndd cnna d-na daab daad daan daba dabb daca dada daha dahn daka dana dand dank dann dbcc dcbc dcca dccb dccc dcdb dddd dhaa dhad dhak dhan dkba dkdc dnaa dnab dnac dnad dnah dnan haab haad haak haan haba hack hada hadh haha hahn haka hakk hana hanc hand hank hann hbcd hcbc hcca hccb hccc hcch hdbk hdca hdda hhaa hhhh hkcc hknd hndd hnna kaaa kaab kaak kaan kaba kabb kabc kabd kacb kacc kacd kach kad- kada kadd kaha kahc kahn kaka kakc kakh kakk kakn kana kanb kand kanh kann kbaa kbab kbac kbad kbak kbba kbbb kbbc kbbd kbbk kbca kbcb kbch kbck kbdb kbdn kbhb kbhc kbhh kbhn kbkb kbkk kbna kbnd kbnh kbnn kcaa kcab kcac kcad kcah kcba kcbc kcbd kcbk kcca kccb kccc kccd kcck kcda kcdc kcdd kcha kchh kchk kchn kckc kckk kckn kcnb kcnd kcnh kdaa kdab kdac kdad kdak kdbb kdbn kdca kdcc kdcd kddb kddc kddd kddk kdhn kdka kdkb kdkd kdkk kdkn kdna kdnd kdnk kdnn khab khac khad khak khan khbc khbd khca khcb khcc khch khck khdc khdk khdn khhk khka khkk khkn khna khnc khnd khnk kkaa kkac kkan kkba kkbb kkbd kkbn kkcb kkcd kkch kkck kkcn kkda kkdc kkdd kkha kkhb kkhh kkhk kkkk kknb kknd kknn knaa knab knac knah knan knba knbb knbc knbn knca kncb knch knck kncn knda kndb kndc kndd kndh kndk kndn knhc knhk knkk knnb knnd knnk naaa naab naac naad naan naba nabc nabk naca nacc nacd nach nack nada nadc nadh nadk naha nahk naka nan- nana nanb nand nann nbaa nbad nbak nbbc nbca nbcc nbhd ncaa ncac ncba ncbc ncca nccc nccn ncda ncdc ncdn ncha nchc nchd ncna ncnc ncnd ndaa ndak ndcc nddb ndna nhcc nhnn nndb nnnn