-al a-a a-b a-c aaa aab aac aad aah aak aal aan ab- aba abb abc abd abh abk abl abn ac- aca acb acc acd ach ack acl acn ad- ada adb adc add adh adk adl adn aha ahb ahc ahd ahh ahk ahl ahn aka akb akc akd akh akk akl akn al- ala alb alc ald alh alk all aln an- ana anb anc and anh ank anl ann baa bab bac bad bah bak bal ban bba bbb bbc bbd bbh bbk bbl bbn bca bcb bcc bcd bch bck bcl bcn bda bdb bdc bdd bdh bdk bdl bha bhb bhc bhd bhh bhk bhl bka bkb bkc bkk bkl bkn bla blb blc bld blh blk bll bln bna bnb bnc bnd bnk bnl bnn c-- caa cab cac cad cah cak cal can cba cbb cbc cbd cbh cbk cbl cbn cca ccb ccc ccd cch cck ccl ccn cda cdb cdc cdd cdh cdk cdl cdn ch- cha chb chc chd chh chk chl chn cka ckb ckc ckd ckh cl- cla clb clc cld clh clk cll cln cn- cna cnb cnc cnd cnh cnl cnn daa dab dac dad dah dak dal dan dba dbb dbc dbd dbh dbk dbl dbn dca dcb dcc dcd dck dcl dcn dda ddb ddc ddd ddh ddk ddl ddn dh- dha dhb dhc dhd dhh dhk dhl dka dkb dkc dkk dkl dl- dla dlb dlc dld dlh dlk dll dna dnb dnc dnd dnh dnk dnl dnn haa hab hac had hah hak hal han hba hbb hbc hbd hbh hbk hbl hbn hca hcb hcc hcd hch hck hcl hcn hda hdb hdc hdd hdh hdk hdl hdn hha hhb hhc hhd hhh hhk hhl hhn hka hkb hkd hkh hkk hkl hkn hla hlb hlc hld hlh hll hln hna hnb hnc hnd hnh hnk hnl hnn ka- kaa kab kac kad kah kak kal kan kba kbb kbc kbd kbh kbk kbl kbn kca kcb kcc kcd kch kck kcl kcn kda kdb kdc kdh kdk kdl kha khh khk khn kkb kkc kkh kkk kkl kkn kl- kla klb klc kld klh kn- kna knc knd knk knl knn la- laa lab lac lad lah lak lal lan lba lbb lbc lbd lbh lbk lbl lca lcb lcc lcd lch lck lcl lcn lda ldb ldc ldd ldh ldk ldl ldn lha lhb lhc lhd lhh lhk lka lkb lkh lkl lla llb llc lld llk lll lln lna lnb lnc lnd lnh lnk lnl lnn naa nab nac nad nah nak nal nan nba nbb nbc nbd nbk nbl nbn nca ncb ncc ncd nch nck ncl ncn nda ndb ndc ndd ndh ndk ndl ndn nha nhb nhc nhd nhh nhk nhl nhn nka nkc nkk nkn nla nlb nlc nld nlh nlk nll nln nna nnb nnc nnh nnk nnl nnn

-ana a-ak a-ha aaaa aaab aaac aaad aaah aaal aaan aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aack aacl aacn aada aadc aaha aahk aahl aaka aala aalc aald aall aana aand abaa abab abac abad abak abal aban abb- abba abbb abca abcb abcc abcd abch abcl abcn abda abha abla acaa acab acac acad acan acba acbl acca accc accd acch acda acdb acdc acha achh achl ackd acla aclc adaa adab adac adad adah adak adal adan adba adbc adcc adda addc addd addl addn adha adhd adhn adna ahab ahac ahad ahah ahal ahdl ahha ahla akaa akah akal akan akca akdn akha akka akna alaa alac alad alak alal alan alb- alba albc alca alcc ald- alda aldl alha alk- alka alkb alkd all- alla allh alll alln alna ana- anaa anab anac anad anah anak anal anan anba anbb anbl anca ancc and- anda andh andl anha ank- anka ankh anla anlc anln anna annb baaa baad baah baak baal baan baba babb bac- baca bacc bach back bacn bada badb badd badh baha bahl bahn bak- baka bakh bakl bala balc bald balk ball bana banc band banh bank bann bbad bbbb bbch bbdd bblb bcaa bcbc bcca bccc bccl bcda bchd bdbc bddc bddh bdna bhan bhca bhcc bhdl blaa blab blac blad blah blak blan bldc blkb blkd c-cd caaa caab caac caah caal caan caba cac- caca cacc cach cack cada cadc cadd caha cahl cahn caka cala calc cald calk call cana canc cand canh cank cann cbac cbal cbbc cbca cbcc cbcl cbcn cbdb cbdc cbdn cbha cbhl cbka cbkl cbkn cblb cblc cbln cbna cbnd ccaa ccab ccac ccad ccba ccbc ccbn ccca cccb cccc cccl ccdc ccdh ccdn ccha cchl ccla cclc ccna ccnb ccnc cdaa cdac cdad cdba cdda cddb cddl cdna cdnb cdnc chaa chab chac chad chah chak chal chan chca chch chha chka chkb chlc chln chnb chnc chnl ckac ckan ckbc ckch ckck ckcl ckln cknb cknc clab clad clan clcd cldc cnaa cnac cnbc cnbl cnda cndd cnna d-na daab daad daal daan daba dabb daca dada daha dahl dahn daka dala dalk dall dana dand dank danl dann dbcc dbnl dcbc dcca dccb dccc dccl dcdb dddd ddlc dhaa dhad dhak dhal dhan dkba dkdc dlab dlbd dlha dnaa dnab dnac dnad dnah dnan haab haad haak haal haan haba hack hada hadh hadl haha hahn haka hakk hal- hala halb hald halk hall hana hanc hand hank hann hbcd hcbc hcca hccb hccc hcch hdbk hdca hdda hhaa hhcl hhhh hhla hkcc hkcl hkdl hknd hlah hndd hnna kaaa kaab kaak kaal kaan kaba kabb kabc kabd kacb kacc kacd kach kacl kad- kada kadd kadl kaha kahc kahl kahn kaka kakc kakh kakk kakn kala kalb kalc kald kalk kall kaln kana kanb kand kanh kann kbaa kbab kbac kbad kbak kbal kbba kbbb kbbc kbbd kbbk kbbl kbca kbcb kbch kbck kbcl kbdb kbdl kbdn kbhb kbhc kbhh kbhl kbhn kbkb kbkk kbkl kbla kblb