-al -ol a-a a-b a-t aaa aab aak aal aao aar aat ab- aba abb abk abl abo abr abt aka akb akk akl ako akr al- ala alb alk all alo alr alt aoa aob aok aol aoo aor aot ar- ara arb ark arl aro arr art at- ata atb atl ato atr att baa bab bak bal bao bar bat bba bbb bbk bbl bbo bbr bbt bka bkb bkk bkl bko bkr bkt bla blb blk bll blo blr blt boa bob bok bol boo bor bot bra brb brk brl bro brr brt bta btb btk btl bto btr btt k-t ka- kaa kab kak kal kao kar kat kba kbb kbk kbl kbo kbr kkb kkk kkl kkr kkt kl- kla klb klo klr klt koa kob kok kol koo kor kot kra krk krl kro krr krt kta ktb ktk ktl kto ktr ktt la- laa lab lak lal lao lar lat lba lbb lbk lbl lbo lbr lbt lka lkb lkl lkr lkt lla llb llk lll llo llr llt loa lob lok lol loo lor lot lra lrb lrk lro lrr lrt lta ltb ltk ltl lto ltr ltt oaa oab oak oal oao oar oat ob- oba obb obk obl obo obr obt oka okb okk okl oko okr ola olb olk oll olo olt oo- ooa oob ook ool ooo oor oot or- ora orb ork orl oro orr ort ot- ota otb otk otl oto otr ott ra- raa rab rak ral rao rar rat rba rbb rbk rbl rbo rbr rbt rkb rkk rko rkt rla rll rlo rlr rlt roa rob rok rol roo ror rot rra rrb rrk rrl rrr rrt rta rtb rtk rtl rto rtr rtt taa tab tak tal tao tar tat tba tbb tbk tbl tbo tbr tbt tka tkb tkk tkl tko tkr tkt tla tlk tll tlo tlr tlt to- toa tob tok tol too tor tot tra trb trk trl tro trr trt tta ttb ttk ttl tto ttr ttt

a-ak a-ok aaaa aaab aaal aaar aaba aabb aabl aabt aaka aala aall aalo aaoo aara aaro aart aata aatk aatt abaa abab abak abal abar abat abb- abba abbb abbo abbr abbt abla ablo aboa abob abok abol aboo abor abot abra abro abta akaa akal akao akar akka akko aklo akok akot akr- akra alaa alak alal alao alar alat alb- alba albo alk- alka alkb alko all- alla alll allo allr aloa alok alol aloo alor alot alro alta alto aoba aola aora aorb aort arab arak aral arar arat arba arka arko arla arlo aroa arob aroo aror arr- arra arrk arro arrr arrt arta arto artr at-l at-t ataa atab atak atal atar atat atka atkt atla atlo atob atok atol ator atot atra atrk atro atta atto attr baaa baak baal baar baat baba babb babo babr bak- baka bakl bako bakr bakt bala balk ball balo balt baol bar- bara barb bark baro barr bart bata bato batt bbbb bblb blaa blab blak blat blbt blkb blob blok bloo blot boab boak boal boar boat boba bobb bobo boka boko bola bolk boll bolo bolt boob book bool boor boot bor- bora bork boro borr bort bota botb boto bott brab brak brao brat brka brkb broa brob brok brol broo bror brot brrr btaa btla btob btor btrt bttb k-lo kaaa kaab kaak kaal kaar kaat kaba kabb kabo kabr kaka kakk kako kakt kala kalb kalk kall kalo kalt kaoa kaok kaol kaor kara karb kark karl karo karr kart kat- kata katb katk katl kato katr katt kbaa kbab kbak kbal kbar kbat kbba kbbb kbbk kbbl kbbo kbbr kbbt kbkb kbkk kbkl kbko kbkr kbla kblb kbll kblo kblr kblt kboa kbob kbok kboo kbot kbra kbrb kbrk kbrl kbro kbrt kbta kbtb kbtk kbtl kbto kbtr kbtt kkaa kkal kkar kkat kkba kkbb kkbl kkbo kkbr kkbt kkkk kklb kkll kklo kkoa kkob kkol kkoo kkor kkot kkrb kkrk kkrl kkro kkrr kkrt kktk kktl klaa klab klak klal klar klat klbb klbl klbt klka klkk klkl klko klkr klla kllb kllk kloa klob klok klol kloo klor klrk klrr kltk klto kltr kltt koab koak koal koar koba kobb kobk kobo kobr koka kokb kokk koko kokr kola kolb kolk koll kolo kolr kolt koob kook kool kooo koor koot kora korb kork korl koro korr kort kota kotb kotk koto kotr kott krab krak kral krar krat krba krbb krbk krbl krbr krbt krka krkk krko krkr krla krlt kroa krob krok krol kroo kror krrb krrk krrl krro krrr krrt krta krtk krto krtr ktaa ktak ktal ktao ktar ktat ktba ktbb ktbl ktbr ktbt ktkb ktkk ktko ktkr ktkt ktla ktlb ktlk ktlo ktlr ktlt ktob ktok ktoo ktor ktot ktrb ktrk ktrl ktro ktrr ktrt kttk ktto kttr kttt laaa laak laal laar laat laba labo labr laka lala lall lalo lara larb lark larr lart lata lato latt lbar lblr lbrt lkab lkal llao llat llll lloa lloo loar loat lob- loba lobb lobo loka lokk loko lola loll lolo loob look lool loor loot lora lork loro lota lotl loto lotr lott lral lrat lrba lrrr lrta ltbl ltra lttr oall oara obak obal obba obbo obkb obla obok obol obor obot obra obro okak okka okko okla oklo okok okol okor okot okra okro okta okto olar olat olba olbo olka olla ollo olor olot olta ooaa ooak ooba oola oolo oooo oora oort ootb orab orak oral orao orar orat orba orbb orbo orka orko orla orlo oro- orok oror orot orra orro orta orto otak otar oto- otok otoo otor otra otro otta otto raab raak raat raba rabb rabk rabl rabo raka rakk rakt rala ralb rall ralo ralt raob raok raol rara rarb rark raro rata ratk rato ratt rbbb rbbr rlab roab roak roar roat rob- roba robb robo robt roka rokk roko