a-ak a-ok aaaa aaab aaac aaal aaap aaar aaba aabb aabc aabl aabp aaca aacb aacc aack aacl aaco aacp aacr aaka aala aalc aall aalo aaoo aapa aapc aapl aapo aara aarc aaro aarp abaa abab abac abak abal abap abar abb- abba abbb abbo abbr abca abcb abcc abcl abcp abcr abla ablo aboa abob abok abol aboo abor abpa abpc abpp abpr abra abrc abro acaa acab acac acap acar acba acbl acca accc acco accp acla aclc aclr acoa acol acop acor acpa acpr acr- acra acrc acro acrr akaa akal akao akap akar akca akka akko aklo akok akpo akr- akra al-p alaa alac alak alal alao alap alar alb- alba albc albo alca alcc alco alk- alka alkb alko all- alla alll allo allr aloa aloc alok alol aloo alop alor alpa alpl alpo alro aoba aoca aokp aola aopo aora aorb apac apak apal apao apap apar apba apbr apca apcb apcc apco apcr apl- apla aplp apo- apoc apoo apop apor appa appc appl appr apra aprc apro arab arac arak aral arap arar arba arc- arca arco arka arko arla arlo aroa arob aroo aror arpa arpl arr- arra arrc arrk arro arrr baaa baak baal baar baba babb babo babr bac- baca bacc back baco bak- baka bakl bako bakr bala balc balk ball balo baol bapa bapc bapp bar- bara barb barc bark baro barr bbbb bblb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bccl bcor bcpl bcpp bcra bkpr blaa blab blac blak blkb blob bloc blok bloo blop blrc boab boac boak boal boar boba bobb bobo boca bock boco boka boko bola bolk boll bolo boob booc book bool boop boor bopa bopp bor- bora bork boro borr bpcp bprc brab brac brak brao brca brcb brka brkb brlp broa brob broc brok brol broo bror brrr c-bo caaa caab caac caal caap caba cabo cac- caca cacc cack caco cacr caka cala calc calk call calo calp caol caor capa capb capc capo capp cara carb carc cark carl caro carp carr cbac cbal cbar cbbc cbca cbcc cbcl cbcp cbcr cbka cbkl cbko cbkr cblb cblc cbol cbpc cbpp cbrl ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccl cccp ccla cclc ccob ccoc ccpa ccpl ccpp ccpr ccra ccrc ccrl ccrp ckac ckbc ckck ckcl ckco ckoa ckob ckoc ckoo ckor ckpc ckpr ckrc clab clap clar clob clok cloo clop clor clpb clpp clra clro coak coal coba cobb cobo coca cock coco cocp cok- coka coko col- cola colb colk coll colo colp coob cook cool coop copa copo copp copr cor- cora corb corc cork corl coro corp corr cpaa cpac cpap cpbc cpca cplc cppa crab crac crap crar crbc crca crcc crcr crkc crkl crkp crob croc crok crol croo crop cror crpc k-lo kaaa kaab kaak kaal kaap kaar kaba kabb kabc kabo kabr kacb kacc kacl kaco kacp kaka kakc kakk kako kala kalb kalc kalk kall kalo kalp kaoa kaoc kaok kaol kaor kap- kapa kapc kapl kapo kapp kara karb kark karl karo karp karr kbaa kbab kbac kbak kbal kbap kbar kbba kbbb kbbc kbbk kbbl kbbo kbbr kbca kbcb kbck kbcl kbco kbcr kbkb kbkk kbkl kbko kbkr kbla kblb kbll kblo kblp kblr kboa kbob kboc kbok kboo kbpa kbpc kbpk kbpo kbpr kbra kbrb kbrc kbrk kbrl kbro kcaa kcab kcac kcal kcap kcar kcba kcbc kcbk kcbl kcbr kcca kccb kccc kcck kccl kccr kckc kckk kckl kcko kckr kcla kclc kclk kcll kclr kcob kcol kcor kcpa kcpc kcpl kcpo kcpr kcrc kcro kcrp kcrr kkaa kkac kkal kkap kkar kkba kkbb kkbl kkbo kkbr kkcb kkck kkcl kkco kkcr kkkk kklb kklc kkll kklo kkoa kkob kkol kkoo kkor kkpc kkpk kkpl kkrb kkrc kkrk kkrl kkro kkrr klaa klab klac klak klal klap klar klbb klbc klbl klca klcb klcc klck klcl klcr klka klkc klkk klkl klko klkr klla kllb kllc kllk kllp kloa klob kloc klok klol kloo klop klor klpc klpr klrc klrk klrr koab koac koak koal koap koar koba kobb kobc kobk kobo kobr koca kocb kock kocp koka kokb kokc kokk koko kokp kokr kola kolb kolc kolk koll kolo kolr koob kooc kook kool kooo koop koor kopa kopb kopp kopr kora korb korc kork korl koro korr kpac kpak kpal kpao kpar kpba kpbb kpbl kpbr kpcc kpcl kpcr kpkk kpkl kpkr kpla kplc kplk kplo kplr kpoa kpob kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp kppr kprb kprc kprk kprl kpro kprp kprr krab krac krak kral krap krar krba krbb krbk krbl krbr krca krcb krcc krcl krco krka krkc krkk krko krkr krla krlc kroa krob kroc krok krol kroo krop kror krpa krpl krpr krrb krrc krrk krrl krro krrr laaa laac laak laal laap laar laba labo labr laca lacc lack lacl laco lacp laka lala lall lalo lapa lapb lapc lapp lara larb larc lark larp larr lbar lbcc lblr lcac lcbc lcca lccc lcor lcpa lcpc lcpl lcra lcrl lkab lkal llao llcc lllc llll lloa lloc lloo loac loap loar lob- loba lobb lobo loca locc lock loco loka lokk loko lola loll lolo loob looc look lool loop loor lopa lopp lora lork loro lpac lpla lppl lprp lrac lral lrba lroc lrrc lrrr oall oara obak obal obba obbo obkb obla obok obol obor obra obro ocab ocac ocak ocal ocap ocbc occa occc oclc ocpa ocpp ocra ocrl ocro ocrr okak okap okka okko okla oklo okok okol okor okpo okra okro olac olar olba olbo olca olcc olka olla ollo olor olpc ooaa ooak ooba oocr oola oolo oooo oora opal opap opar opca opla opo- opor oppa oppo opra orab orac orak oral orao orar orba orbb orbo orca orco orka orko orla orlo oro- orok oror orpc orra orro paak paal paap paar paba paca pack paco