-al -ol a-a a-b a-t aaa aab aaf aaj aak aal aan aao aar aat ab- aba abb abf abj abk abl abn abo abr abt af- afa afb aff afj afk afl afn afo afr aft aja ajb ajf ajj ajk ajl ajn ajo ajr ajt aka akb akj akk akl akn ako akr al- ala alb alf alj alk all aln alo alr alt an- ana anb anf anj ank anl ann ano anr ant aoa aob aof aoj aok aol aon aoo aor aot ar- ara arb arf arj ark arl arn aro arr art at- ata atb atf atl atn ato atr att baa bab baf baj bak bal ban bao bar bat bba bbb bbf bbk bbl bbn bbo bbr bbt bfa bfb bff bfj bfl bfn bfo bfr bft bja bjf bjj bjk bjn bjr bjt bka bkb bkf bkk bkl bkn bko bkr bkt bla blb blf blj blk bll bln blo blr blt bna bnb bnf bnj bnk bnl bnn bno bnr bnt boa bob bof boj bok bol bon boo bor bot bra brb brf brj brk brl brn bro brr brt bta btb btf btk btl btn bto btr btt faa fab faf faj fak fal fan fao far fat fba fbb fbf fbk fbl fbn fbo fbr fbt ffa fff ffk ffl ffn ffo ffr fft fja fjb fka fkb fkf fkj fkk fkl fkt fla flb flf fll fln flo flr flt fna fnb fnf fnj fnk fnl fnn fnr fnt foa fob fof fok fol fon foo for fot fra frb frf frj frk frl frn fro frr frt fta ftb ftf ftk ftl ftn fto ftr ftt jaa jab jaf jaj jak jal jan jao jar jat jba jbf jbj jbk jbl jbo jbr jbt jfa jfb jff jfj jfk jfl jfo jfr jft jja jjb jjf jjj jjk jjl jjr jka jkb jkk jkl jkn jko jkr jkt jla jlb jlf jll jln jlo jlr jlt jna jnf jnj jnl jnn jno jnr jnt joa job jof joj jok jol jon joo jor jot jra jrb jrf jrk jrl jrn jro jrr jrt jta jtb jtf jtk jtl jtn jtr jtt k-t ka- kaa kab kaf kaj kak kal kan kao kar kat kba kbb kbf kbk kbl kbn kbo kbr kfa kff kfo kjb kjr kkb kkk kkl kkn kkr kkt kl- kla klb klf klo klr klt kn- kna knf knk knl knn kno knr knt koa kob kof kok kol kon koo kor kot kra krf krk krl krn kro krr krt kta ktb ktf ktj ktk ktl ktn kto ktr ktt la- laa lab laf laj lak lal lan lao lar lat lba lbb lbf lbj lbk lbl lbo lbr lbt lfa lfb lff lfk lfl lfn lfo lfr lft ljf ljj ljn lka lkb lkl lkr lkt lla llb llf llj llk lll lln llo llr llt lna lnb lnk lnl lnn lno lnr lnt loa lob lof loj lok lol lon loo lor lot lra lrb lrf lrk lrn lro lrr lrt lta ltb ltf ltk ltl lto ltr ltt naa nab naf naj nak nal nan nao nar nat nba nbb nbf nbk nbl nbn nbo nbr nbt nfa nfb nff nfk nfl nfn nfo nfr nft nja njf njk njl njn nka nkf nkj nkk nkn nko nkr nkt nla nlb nlf nlj nlk nll nln nlo nlr nlt nna nnb nnf nnk nnl nnn nno nnt no- noa nob nof noj nok nol non noo nor not nra nrb nrf nrj nrk nrl nrn nro nrr nrt nta ntb ntf ntk ntn nto ntr ntt oaa oab oaf oaj oak oal oan oao oar oat ob- oba obb obf obj obk obl obn obo obr obt of- ofa ofb off ofl ofn ofo ofr oft oja ojb ojo oka okb okj okk okl oko okr ola olb olf olk oll oln olo olt on- ona onb onf onj onk onl onn ono onr ont oo- ooa oob oof ook ool oon ooo oor oot or- ora orb orf ork orl orn oro orr ort ot- ota otb otf otk otl otn oto otr ott ra- raa rab raf raj rak ral ran rao rar rat rba rbb rbf rbk rbl rbn rbo rbr rbt rfa rfb rff rfj rfk rfl rfn rfo rfr rft rja rjf rjk rjr rkb rkf rkk rko rkt rla rlf rll rln rlo rlr rlt rna rnb rnn rno rnr rnt roa rob rof roj rok rol ron roo ror rot rra rrb rrf rrk rrl rrn rrr rrt rta rtb rtf rtj rtk rtl rtn rto rtr rtt taa tab taf taj tak tal tan tao tar tat tba tbb tbf tbj tbk tbl tbn tbo tbr tbt tfa tfb tff tfj tfk tfl tfn tfo tfr tft tjf tjo tjr tka tkb tkk tkl tko tkr tkt tla tlf tlj tlk tll tln tlo tlr tlt tna tnb tnf tnk tnl tnn tno tnr tnt to- toa tob tof toj tok tol ton too tor tot tra trb trf trk trl trn tro trr trt tta ttb ttf ttk ttl ttn tto ttr ttt