-al -ol a-a a-b a-c aaa aab aac aah aak aal aao aar ab- aba abb abc abh abk abl abo abr ac- aca acb acc ach ack acl aco acr aha ahb ahc ahh ahk ahl aho ahr aka akb akc akh akk akl ako akr al- ala alb alc alh alk all alo alr aoa aob aoc aoh aok aol aoo aor ar- ara arb arc arh ark arl aro arr baa bab bac bah bak bal bao bar bba bbb bbc bbh bbk bbl bbo bbr bca bcb bcc bch bck bcl bco bcr bha bhb bhc bhh bhk bhl bho bhr bka bkb bkc bkk bkl bko bkr bla blb blc blh blk bll blo blr boa bob boc boh bok bol boo bor bra brb brh brk brl bro brr c-- caa cab cac cah cak cal cao car cba cbb cbc cbh cbk cbl cbo cbr cca ccb ccc cch cck ccl cco ccr ch- cha chb chc chh chk chl cho chr cka ckb ckc ckh cko cl- cla clb clc clh clk cll clo clr co- coa cob coc coh cok col coo cor cra crb crc crh crk crl cro crr haa hab hac hah hak hal hao har hba hbb hbc hbh hbk hbl hbo hbr hca hcb hcc hch hck hcl hco hcr hha hhb hhc hhh hhk hhl hho hhr hka hkb hkh hkk hkl hko hkr hla hlb hlc hlh hll hlo hlr hoa hob hoc hoh hok hol hoo hor hr- hra hrb hrc hrh hrk hrl hro hrr ka- kaa kab kac kah kak kal kao kar kba kbb kbc kbh kbk kbl kbo kbr kca kcb kcc kch kck kcl kcr kha khh khk kho khr kkb kkc kkh kkk kkl kkr kl- kla klb klc klh klo klr koa kob koc koh kok kol koo kor kra krc krk krl kro krr la- laa lab lac lah lak lal lao lar lba lbb lbc lbh lbk lbl lbo lbr lca lcb lcc lch lck lcl lco lcr lha lhb lhc lhh lhk lho lhr lka lkb lkh lkl lkr lla llb llc llk lll llo llr loa lob loc loh lok lol loo lor lra lrb lrc lrh lrk lro lrr oaa oab oac oah oak oal oao oar ob- oba obb obc obh obk obl obo obr oc- oca ocb occ och ock ocl oco ocr oha ohc ohh ohl oho ohr oka okb okc okk okl oko okr ola olb olc olk oll olo oo- ooa oob ooc ooh ook ool ooo oor or- ora orb orc orh ork orl oro orr ra- raa rab rac rah rak ral rao rar rba rbb rbc rbh rbk rbl rbo rbr rca rcb rcc rch rcl rco rcr rh- rha rhb rhc rhh rhl rho rhr rkb rkc rkk rko rla rlc rlh rll rlo rlr roa rob roc roh rok rol roo ror rra rrb rrc rrh rrk rrl rrr

a-ak a-ha a-ok aaaa aaab aaac aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aach aack aacl aaco aacr aaha aahk aahl aaka aala aalc aall aalo aaoo aara aarc aaro abaa abab abac abak abal abar abb- abba abbb abbo abbr abca abcb abcc abch abcl abcr abha abho abhr abla ablo aboa abob aboh abok abol aboo abor abra abrc abro acaa acab acac acar acba acbl acca accc acch acco acha achh achl acho achr acla aclc aclr acoa acoh acol acor acr- acra acrc acro acrr ahab ahac ahah ahal ahar ahha ahla ahoa ahok ahor ahra ahrc ahrr akaa akah akal akao akar akca akha akka akko aklo akok akr- akra alaa alac alak alal alao alar alb- alba albc albo alca alcc alco alha alk- alka alkb alko all- alla allh alll allo allr aloa aloc aloh alok alol aloo alor alro aoah aoba aoca aola aora aorb arab arac arah arak aral arar arba arbh arc- arca arch arco arh- arka arkh arko arla arlo aroa arob aroo aror arr- arra arrc arrh arrk arro arrr baaa baah baak baal baar baba babb babo babr bac- baca bacc bach back baco baha bahl baho bahr bak- baka bakh bakl bako bakr bala balc balk ball balo baoh baol bar- bara barb barc barh bark baro barr bbbb bbch bblb bbrc bcaa bcar bcbc bcca bccc bccl bcor bcra bhao bhar bhca bhcc bhor bhra blaa blab blac blah blak blkb blob bloc blok bloo blrc boab boac boak boal boar boba bobb bobo boca boch bock boco boha bohl boho bohr boka boko bola bolk boll bolo boob booc booh book bool boor bor- bora borh bork boro borr brab brac brah brak brao brca brcb brka brkb broa brob broc broh brok brol broo bror brrr c-bo caaa caab caac caah caal caba cabo cac- caca cacc cach cack caco cacr caha cahl caka cala calc calk call calo caol caor cara carb carc cark carl caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbha cbhl cbka cbkl cbko cbkr cblb cblc cbol cbrh cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccha cchl cchr ccla cclc ccob ccoc ccra ccrc ccrl chaa chab chac chah chak chal chao char chca chch chha chka chkb chlc chlr choc choh chok chol choo chor chra chrb chrc chro chrr ckac ckbc ckch ckck ckcl ckco ckoa ckob ckoc ckoo ckor ckrc clab clar clob clok cloo clor clra clro coak coal coba cobb cobh cobo coca coch cock coco coha coho cok- coka coko col- cola colb colk coll colo coob cooh cook cool cor- cora corb corc cork corl coro corr crab crac crar crbc crca crcc crcr crkc crkl crob croc croh crok crol croo cror haab haak haal haar haba habo hack haco haha haho haka hakk hako hal- hala halb halk hall halo haor hara harc harh hark harl haro harr hbar hboc