-al -ol a-a a-b a-t aaa aab aag aak aal aao aar aas aat ab- aba abb abg abk abl abo abr abs abt ag- aga agb agg agk agl ago agr ags agt aka akb akg akk akl ako akr aks al- ala alb alg alk all alo alr als alt aoa aob aog aok aol aoo aor aos aot ar- ara arb arg ark arl aro arr ars art as- asa asb asg ask asl aso asr ass ast at- ata atb atg atl ato atr ats att baa bab bag bak bal bao bar bas bat bba bbb bbg bbk bbl bbo bbr bbs bbt bga bgb bgg bgk bgl bgo bgr bgs bgt bka bkb bkg bkk bkl bko bkr bks bkt bla blb blg blk bll blo blr bls blt boa bob bog bok bol boo bor bos bot bra brb brg brk brl bro brr brs brt bsa bsb bsg bsk bsl bso bsr bss bst bta btb btg btk btl bto btr bts btt gaa gab gag gak gal gao gar gas gat gba gbg gbk gbl gbo gbr gbs gbt gga ggb ggg ggo ggr ggs ggt gka gkb gko gks gkt gla glb glg glk gll glo glr gls glt goa gob gog gok gol goo gor gos got gra grb grg grk grl gro grr grs grt gsa gsb gsg gsk gsl gso gsr gss gst gta gtb gtg gtk gtl gto gtr gts gtt k-t ka- kaa kab kag kak kal kao kar kas kat kba kbb kbk kbl kbo kbr kbs kga kgb kgl kgo kgs kkb kkk kkl kkr kks kkt kl- kla klb klg klo klr kls klt koa kob kog kok kol koo kor kos kot kra krg krk krl kro krr krs krt ksa ksb ksg ksk ksl kso ksr kss kst kta ktb ktg ktk ktl kto ktr kts ktt la- laa lab lag lak lal lao lar las lat lba lbb lbg lbk lbl lbo lbr lbs lbt lga lgb lgg lgk lgl lgo lgr lgs lgt lka lkb lkg lkl lkr lks lkt lla llb llg llk lll llo llr lls llt loa lob log lok lol loo lor los lot lra lrb lrg lrk lro lrr lrs lrt lsa lsb lsg lsk lsl lso lsr lss lst lta ltb ltg ltk ltl lto ltr lts ltt oaa oab oag oak oal oao oar oas oat ob- oba obb obg obk obl obo obr obs obt oga ogg ogl ogo ogs ogt oka okb okg okk okl oko okr oks ola olb olg olk oll olo ols olt oo- ooa oob oog ook ool ooo oor oos oot or- ora orb org ork orl oro orr ors ort os- osa osb osg osk osl oso osr oss ost ot- ota otb otg otk otl oto otr ots ott ra- raa rab rag rak ral rao rar ras rat rba rbb rbg rbk rbl rbo rbr rbs rbt rga rgb rgg rgk rgo rgr rgs rgt rkb rkg rkk rko rks rkt rla rlg rll rlo rlr rls rlt roa rob rog rok rol roo ror ros rot rra rrb rrg rrk rrl rrr rrs rrt rsa rsb rsg rsk rsl rso rsr rss rst rta rtb rtg rtk rtl rto rtr rts rtt saa sab sag sak sal sao sar sas sat sba sbb sbg sbk sbl sbo sbr sbs sbt sga sgb sgg sgk sgl sgo sgr sgs sgt sk- ska skb skg skk skl sko skr sks skt sla slb slg slk sll slo slr sls slt soa sob sog sok sol soo sor sos sot sr- sra srb srg srk srl sro srr srs srt ss- ssa ssb ssg ssk ssl sso ssr sss sst sta stb stg stk stl sto str sts stt taa tab tag tak tal tao tar tas tat tba tbb tbg tbk tbl tbo tbr tbs tbt tga tgb tgg tgk tgl tgo tgr tgs tgt tka tkb tkg tkk tkl tko tkr tks tkt tla tlg tlk tll tlo tlr tls tlt to- toa tob tog tok tol too tor tos tot tra trb trg trk trl tro trr trs trt tsa tsb tsg tsk tsl tso tsr tss tst tta ttb ttg ttk ttl tto ttr tts ttt