-al -ol a-a a-b aaa aab aak aal aao aar aas ab- aba abb abk abl abo abr abs aka akb akk akl ako akr aks al- ala alb alk all alo alr als aoa aob aok aol aoo aor aos ar- ara arb ark arl aro arr ars as- asa asb ask asl aso asr ass baa bab bak bal bao bar bas bba bbb bbk bbl bbo bbr bbs bka bkb bkk bkl bko bkr bks bla blb blk bll blo blr bls boa bob bok bol boo bor bos bra brb brk brl bro brr brs bsa bsb bsk bsl bso bsr bss ka- kaa kab kak kal kao kar kas kba kbb kbk kbl kbo kbr kbs kkb kkk kkl kkr kks kl- kla klb klo klr kls koa kob kok kol koo kor kos kra krk krl kro krr krs ksa ksb ksk ksl kso ksr kss la- laa lab lak lal lao lar las lba lbb lbk lbl lbo lbr lbs lka lkb lkl lkr lks lla llb llk lll llo llr lls loa lob lok lol loo lor los lra lrb lrk lro lrr lrs lsa lsb lsk lsl lso lsr lss oaa oab oak oal oao oar oas ob- oba obb obk obl obo obr obs oka okb okk okl oko okr oks ola olb olk oll olo ols oo- ooa oob ook ool ooo oor oos or- ora orb ork orl oro orr ors os- osa osb osk osl oso osr oss ra- raa rab rak ral rao rar ras rba rbb rbk rbl rbo rbr rbs rkb rkk rko rks rla rll rlo rlr rls roa rob rok rol roo ror ros rra rrb rrk rrl rrr rrs rsa rsb rsk rsl rso rsr rss saa sab sak sal sao sar sas sba sbb sbk sbl sbo sbr sbs sk- ska skb skk skl sko skr sks sla slb slk sll slo slr sls soa sob sok sol soo sor sos sr- sra srb srk srl sro srr srs ss- ssa ssb ssk ssl sso ssr sss

a-ak a-ok aaaa aaab aaal aaar aaas aaba aabb aabl aaka aala aall aalo aals aaoo aara aaro aars aasa aass abaa abab abak abal abar abas abb- abba abbb abbo abbr abbs abla ablo abls aboa abob abok abol aboo abor abos abra abro abrs abs- absa absl abss akaa akal akao akar akas akka akko aklo akok akos akr- akra aksa alaa alak alal alao alar alas alb- alba albo albs alk- alka alkb alko all- alla alll allo allr alls aloa alok alol aloo alor alos alro alsa also aoba aoks aola aora aorb aors aoss arab arak aral arar aras arba arbs arka arko arks arla arlo aroa arob aroo aror aros arr- arra arrk arro arrr arrs ars- arsa arsk arso asaa asab asak asal asao asar asas asba asbo aska asko askr asks asla aslo aslr asob asok asor asos asra asro asrs assa assk assl asso assr asss baaa baak baal baar baas baba babb babo babr babs bak- baka bakl bako bakr baks bala balk ball balo bals baol baos bar- bara barb bark baro barr bars basa bask baso bass bbas bbbb bbbs bblb bbls blaa blab blak blas blkb blls blob blok bloo blss boab boak boal boar boas boba bobb bobo bobs boka boko boks bola bolk boll bolo bols boob book bool boor boos bor- bora bork boro borr bors bosa bosk boso boss brab brak brao bras brka brkb brls broa brob brok brol broo bror bros brrr brrs brsb brsr bsaa bsas bsos bsra k-lo k-os kaaa kaab kaak kaal kaar kaas kaba kabb kabo kabr kaka kakk kako kaks kala kalb kalk kall kalo kals kaoa kaok kaol kaor kaos kara karb kark karl karo karr kars kas- kasa kasb kask kasl kaso kasr kass kbaa kbab kbak kbal kbar kbas kbba kbbb kbbk kbbl kbbo kbbr kbbs kbkb kbkk kbkl kbko kbkr kbla kblb kbll kblo kblr kbls kboa kbob kbok kboo kbos kbra kbrb kbrk kbrl kbro kbsa kbsb kbsk kbso kbsr kbss kkaa kkal kkar kkba kkbb kkbl kkbo kkbr kkbs kkkk kklb kkll kklo kkls kkoa kkob kkol kkoo kkor kkrb kkrk kkrl kkro kkrr kkrs kksa kksr kkss klaa klab klak klal klar klas klbb klbl klbs klka klkk klkl klko klkr klks klla kllb kllk klls kloa klob klok klol kloo klor klos klrk klrr klrs klsa klsr koab koak koal koar koas koba kobb kobk kobo kobr kobs koka kokb kokk koko kokr koks kola kolb kolk koll kolo kolr kols koob kook kool kooo koor koos kora korb kork korl koro korr kors kos- kosa kosb koso kosr koss krab krak kral krar kras krba krbb krbk krbl krbr krka krkk krko krkr krks krla kroa krob krok krol kroo kror kros krrb krrk krrl krro krrr krrs krsa krsk krsl krsr krss ksab ksak ksal ksar ksas ksba ksbl ksbr ksbs kska kskb kskk ksko kskr ksks ksla kslb kslk ksll kslo kslr ksob ksok ksol ksoo ksor ksos ksra ksrb ksro ksrr ksrs kssa kssl ksso kssr ksss laaa laak laal laar laas laba labo labr labs laka laks lala lall lalo laos lara larb lark larr lars lasa lask laso lass lbar lblr lbos lbrs lkab lkal lkrs llao llbs llks llll lloa lloo loar loas lob- loba lobb lobo lobs loka lokk loko lola loll lolo lols loob look lool loor loos lora lork loro lors losa loso loss lral lrba lrrr ls-r lsla lssa lsso lssr oaks oall oara oars oasl oass obak obal obas obba obbo obkb obla obls obok obol obor obos obra obro obsr obss okak okas okka okko okla oklo okok okol okor okra okro oksa okso olar olas olba olbo olka olla ollo olor olos ooaa ooak ooba oola oolo oooo ooos oora oosa orab orak oral orao orar oras orba orbb orbo orbs orka orko orla orlo oro- orok