-al -ol a-a a-b a-c aaa aab aac aad aah aak aal aao ab- aba abb abc abd abh abk abl abo ac- aca acb acc acd ach ack acl aco ad- ada adb adc add adh adk adl ado aha ahb ahc ahd ahh ahk ahl aho aka akb akc akd akh akk akl ako al- ala alb alc ald alh alk all alo aoa aob aoc aod aoh aok aol aoo baa bab bac bad bah bak bal bao bba bbb bbc bbd bbh bbk bbl bbo bca bcb bcc bcd bch bck bcl bco bda bdb bdc bdd bdh bdk bdl bdo bha bhb bhc bhd bhh bhk bhl bho bka bkb bkc bkk bkl bko bla blb blc bld blh blk bll blo boa bob boc bod boh bok bol boo c-- caa cab cac cad cah cak cal cao cba cbb cbc cbd cbh cbk cbl cbo cca ccb ccc ccd cch cck ccl cco cda cdb cdc cdd cdh cdk cdl cdo ch- cha chb chc chd chh chk chl cho cka ckb ckc ckd ckh cko cl- cla clb clc cld clh clk cll clo co- coa cob coc cod coh cok col coo daa dab dac dad dah dak dal dao dba dbb dbc dbd dbh dbk dbl dbo dca dcb dcc dcd dck dcl dco dda ddb ddc ddd ddh ddk ddl ddo dh- dha dhb dhc dhd dhh dhk dhl dho dka dkb dkc dkk dkl dko dl- dla dlb dlc dld dlh dlk dll dlo doa dob doc dod doh dok dol doo haa hab hac had hah hak hal hao hba hbb hbc hbd hbh hbk hbl hbo hca hcb hcc hcd hch hck hcl hco hda hdb hdc hdd hdh hdk hdl hdo hha hhb hhc hhd hhh hhk hhl hho hka hkb hkd hkh hkk hkl hko hla hlb hlc hld hlh hll hlo hoa hob hoc hod hoh hok hol hoo ka- kaa kab kac kad kah kak kal kao kba kbb kbc kbd kbh kbk kbl kbo kca kcb kcc kcd kch kck kcl kda kdb kdc kdh kdk kdl kdo kha khh khk kho kkb kkc kkh kkk kkl kl- kla klb klc kld klh klo koa kob koc kod koh kok kol koo la- laa lab lac lad lah lak lal lao lba lbb lbc lbd lbh lbk lbl lbo lca lcb lcc lcd lch lck lcl lco lda ldb ldc ldd ldh ldk ldl ldo lha lhb lhc lhd lhh lhk lho lka lkb lkh lkl lla llb llc lld llk lll llo loa lob loc lod loh lok lol loo oaa oab oac oad oah oak oal oao ob- oba obb obc obd obh obk obl obo oc- oca ocb occ ocd och ock ocl oco oda odb odc odd odh odl odo oha ohc ohd ohh ohl oho oka okb okc okd okk okl oko ola olb olc old olk oll olo oo- ooa oob ooc ood ooh ook ool ooo

a-ak a-do a-ha a-ok aaaa aaab aaac aaad aaah aaal aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aack aacl aaco aada aadc aaha aahk aahl aaka aala aalc aald aall aalo aaoo abaa abab abac abad abak abal abb- abba abbb abbo abca abcb abcc abcd abch abcl abda abdo abha abho abla ablo aboa abob abod aboh abok abol aboo acaa acab acac acad acba acbl acca accc accd acch acco acda acdb acdc acha achh achl acho ackd acla aclc acoa acod acoh acol adaa adab adac adad adah adak adal adao adba adbc adcc adda addc addd addl addo adha adhd adho adob adoc adod adok adoo ahab ahac ahad ahah ahal ahdl ahha ahla ahoa ahod ahok akaa akah akal akao akca akha akka akko aklo akok alaa alac alad alak alal alao alb- alba albc albo alca alcc alco ald- alda aldl aldo alha alk- alka alkb alkd alko all- alla allh alll allo aloa aloc alod aloh alok alol aloo aoah aoba aoca aodh aola baaa baad baah baak baal baba babb babo bac- baca bacc bach back baco bada badb badd badh bado baha bahl baho bak- baka bakh bakl bako bala balc bald balk ball balo baoh baol bbad bbbb bbch bbdd bbdo bblb bcaa bcbc bcca bccc bccl bcda bchd bdbc bddc bddh bhao bhca bhcc bhdl blaa blab blac blad blah blak bldc blkb blkd blob bloc blod blok bloo boab boac boad boak boal boba bobb bobo boca boch bock boco boda bodb bodh bodo boha bohd bohl boho boka boko bola bold bolk boll bolo boob booc bood booh book bool c-bo c-cd caaa caab caac caah caal caba cabo cac- caca cacc cach cack caco cada cadc cadd cado caha cahl caka cala calc cald calk call calo caod caol cbac cbal cbbc cbca cbcc cbcl cbdb cbdc cbdo cbha cbhl cbka cbkl cbko cblb cblc cbol ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccl ccdc ccdh ccha cchl ccla cclc ccob ccoc ccod cdaa cdac cdad cdba cdda cddb cddl chaa chab chac chad chah chak chal chao chca chch chha chka chkb chlc choc chod choh chok chol choo ckac ckbc ckch ckck ckcl ckco ckdo ckoa ckob ckoc ckoo clab clad clcd cldc clob clod clok cloo coad coak coal coba cobb cobh cobo coca coch cock coco coda codd codl coha coho cok- coka coko col- cola colb cold colk coll colo coob cood cooh cook cool d-bo daab daad daal daba dabb dabo daca dada dado daha dahl daka dako dala dalk dall dalo dbcc dcbc dcca dccb dccc dccl dcdb dddd ddlc ddoc dhaa dhad dhak dhal dhao dhod dhol dkba dkdc dlab dlbd dlco dlha doab doak doal doba dobb dobl doca doch dock doco dod- doda dodd dodo doha dohc dohl doka doko dola dold dolk doll dolo doob dood dook dool haab haad haak haal haba habo hack haco hada