-al -ol a-a a-b a-c aaa aab aac aak aal aao aar aau ab- aba abb abc abk abl abo abr abu ac- aca acb acc ack acl aco acr acu aka akb akc akk akl ako akr aku al- ala alb alc alk all alo alr alu aoa aob aoc aok aol aoo aor aou ar- ara arb arc ark arl aro arr aru au- aua aub auc auk aul auo aur b-u baa bab bac bak bal bao bar bau bba bbb bbc bbk bbl bbo bbr bbu bca bcb bcc bck bcl bco bcr bcu bka bkb bkc bkk bkl bko bkr bla blb blc blk bll blo blr blu boa bob boc bok bol boo bor bou bra brb brk brl bro brr bru bua bub buc buk bul buo bur buu c-- caa cab cac cak cal cao car cau cba cbb cbc cbk cbl cbo cbr cbu cca ccb ccc cck ccl cco ccr ccu cka ckb ckc cko cl- cla clb clc clk cll clo clr clu co- coa cob coc cok col coo cor cou cra crb crc crk crl cro crr cru cua cub cuc cuk cul cuo cur cuu ka- kaa kab kac kak kal kao kar kau kba kbb kbc kbk kbl kbo kbr kbu kca kcb kcc kck kcl kcr kcu kkb kkc kkk kkl kkr kku kl- kla klb klc klo klr klu koa kob koc kok kol koo kor kou kra krc krk krl kro krr kru kub kuc kuk kul kur kuu la- laa lab lac lak lal lao lar lau lba lbb lbc lbk lbl lbo lbr lbu lca lcb lcc lck lcl lco lcr lcu lka lkb lkl lkr lla llb llc llk lll llo llr llu loa lob loc lok lol loo lor lou lra lrb lrc lrk lro lrr lru lua lub luc luk lul luo lur luu oaa oab oac oak oal oao oar oau ob- oba obb obc obk obl obo obr obu oc- oca ocb occ ock ocl oco ocr ocu oka okb okc okk okl oko okr oku ola olb olc olk oll olo olu oo- ooa oob ooc ook ool ooo oor or- ora orb orc ork orl oro orr oru ou- oua ouc ouk oul ouo our ra- raa rab rac rak ral rao rar rau rba rbb rbc rbk rbl rbo rbr rbu rca rcb rcc rcl rco rcr rcu rkb rkc rkk rko rku rla rlc rll rlo rlr rlu roa rob roc rok rol roo ror rou rra rrb rrc rrk rrl rrr rru rua rub ruc ruk ruo rur ruu ua- uaa uab uac uak ual uao uar uau uba ubb ubc ubk ubl ubo ubr ubu uca ucb ucc uck ucl uco ucr ucu uka ukb ukc ukk ukl ukr uku ula ulb ulc ulk ull ulo ulr ulu uoa uob uoc uok uol uoo uor ur- ura urb urc urk url uro urr uru uua uuc uur uuu

a-ak a-ok aaaa aaab aaac aaal aaar aaba aabb aabc aabl aaca aacb aacc aack aacl aaco aacr aacu aaka aaku aala aalc aall aalo aalu aaoo aara aarc aaro aaru abaa abab abac abak abal abar abau abb- abba abbb abbo abbr abca abcb abcc abcl abcr abla ablo aboa abob abok abol aboo abor abou abra abrc abro abua abuk abul acaa acab acac acar acba acbl acca accc acco accu acla aclc aclr aclu acoa acol acor acou acr- acra acrc acro acrr acu- acul acuo acur akaa akal akao akar akca akka akko akku aklo akok akr- akra akua alaa alac alak alal alao alar alau alb- alba albc albo albu alca alcc alco alk- alka alkb alko alku all- alla alll allo allr allu aloa aloc alok alol aloo alor alou alro alua aluk alur aoba aoca aola aora aorb aoul arab arac arak aral arar arau arba arc- arca arco arka arko arla arlo aroa arob aroo aror arr- arra arrc arrk arro arrr arru arua arub arul auaa auca aul- aula aull aulo aulu auol aur- aura auro baaa baak baal baar baba babb babo babr babu bac- baca bacc back baco bak- baka bakl bako bakr baku bala balc balk ball balo balu baol bar- bara barb barc bark baro barr baru bau- bauk baul baur bbau bbbb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcor bcra bcru bcuc blaa blab blac blak blau blcu blkb blob bloc blok bloo blou blrc blub blur boab boac boak boal boar boba bobb bobo bobu boca bock boco bocu boka boko boku bola bolk boll bolo bolu boob booc book bool boor bor- bora bork boro borr boru boua bouk boul bour brab brac brak brao brau brca brcb brka brkb broa brob broc brok brol broo bror brou brrr bruc bual buar buba bubb bubo bubu buca bucc buck buco bucu buka bukk buko buku bula bulb bulk bull bulu buol bur- bura burb burk burl buro burr buru c-bo caaa caab caac caal caba cabo cabu cac- caca cacc cack caco cacr caka cala calc calk call calo calu caol caor cara carb carc cark carl caro carr cauc cauk caul cauo cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbka cbkl cbko cbkr cblb cblc cbol cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl cccu ccla cclc ccob ccoc ccra ccrc ccrl ccuc ckac ckbc ckck ckcl ckco ckoa ckob ckoc ckoo ckor ckrc clab clar clau clob clok cloo clor clou clra clro club coak coal coba cobb cobo cobu coca cock coco cocu cok- coka coko col- cola colb colk coll colo colu coob cook cool cor- cora corb corc cork corl coro corr coua coub couk coul cour crab crac crar crau crbc crbu crca crcc crcr crkc crkl crob croc crok crol croo cror crub cruk cuau cub- cuba cubb cuca cucc cuck cuk- cuka cula culb culc culk cull culo cura curb