-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aal aao aar aat ab- aba abb abc abf abg abi abl abo abr abt ac- aca acb acc acf acg aci acl aco acr act af- afa afb afc aff afg afi afl afo afr aft ag- aga agb agc agf agg agi agl ago agr agt ai- aia aib aic aif aig aii ail aio air ait al- ala alb alc alf alg ali all alo alr alt aoa aob aoc aof aog aoi aol aoo aor aot ar- ara arb arc arf arg ari arl aro arr art at- ata atb atc atf atg ati atl ato atr att baa bab bac baf bag bai bal bao bar bat bba bbb bbc bbf bbg bbi bbl bbo bbr bbt bca bcb bcc bcf bcg bci bcl bco bcr bct bfa bfb bfc bff bfg bfi bfl bfo bfr bft bga bgb bgc bgf bgg bgi bgl bgo bgr bgt bi- bia bib bic bif big bii bil bio bir bit bla blb blc blf blg bli bll blo blr blt boa bob boc bof bog boi bol boo bor bot bra brb brf brg bri brl bro brr brt bta btb btc btf btg bti btl bto btr btt c-- caa cab cac caf cag cai cal cao car cat cba cbb cbc cbf cbg cbi cbl cbo cbr cbt cca ccb ccc ccf ccg cci ccl cco ccr cct cfa cfb cfc cff cfg cfi cfl cfo cfr cft cga cgb cgc cgg cgi cgl cgo cgr cgt ci- cia cib cic cif cig cii cil cio cir cit cl- cla clb clc clf clg cli cll clo clr clt co- coa cob coc cof cog coi col coo cor cot cra crb crc crf crg cri crl cro crr crt cta ctb ctc ctf ctg cti ctl cto ctr ctt faa fab fac faf fag fai fal fao far fat fba fbb fbc fbf fbg fbi fbl fbo fbr fbt fca fcb fcc fcf fcg fci fcl fco fcr fct ffa ffc fff ffg ffi ffl ffo ffr fft fga fgb fgc fgf fgg fgi fgl fgr fgt fia fib fic fif fig fii fil fir fit fla flb flc flf flg fli fll flo flr flt foa fob foc fof fog foi fol foo for fot fra frb frc frf frg fri frl fro frr frt fta ftb ftc ftf ftg fti ftl fto ftr ftt gaa gab gac gaf gag gai gal gao gar gat gba gbc gbf gbg gbi gbl gbo gbr gbt gca gcb gcc gcf gcg gci gcl gco gcr gct gfa gfb gfc gff gfi gfl gfo gfr gft gga ggb ggc ggg ggi ggo ggr ggt gia gib gic gif gig gii gil gio gir git gla glb glc glf glg gli gll glo glr glt goa gob goc gof gog goi gol goo gor got gra grb grc grf grg gri grl gro grr grt gta gtb gtc gtf gtg gti gtl gto gtr gtt i-f ia- iaa iab iac iaf iag iai ial iao iar iat iba ibb ibc ibf ibg ibi ibl ibo ibr ibt ica icb icc icf icg ici icl ico icr ict ifa ifb ifc iff ifg ifi ifl ifo ifr ift iga igb igc igf igg igi igl igo igr igt iia iib iic iif iii iil iio iir iit il- ila ilb ilc ilf ilg ili ill ilo ilr ilt io- ioa iob ioc iof iog ioi iol ioo ior iot ir- ira irb irc irf irg iri irl iro irr irt ita itb itc itf itg iti itl ito itt la- laa lab lac laf lag lai lal lao lar lat lba lbb lbc lbf lbg lbi lbl lbo lbr lbt lca lcb lcc lcf lcg lci lcl lco lcr lct lfa lfb lfc lff lfg lfi lfl lfo lfr lft lga lgb lgc lgf lgg lgi lgl lgo lgr lgt lia lib lic lif lig lii lil lio lir lit lla llb llc llf llg lli lll llo llr llt loa lob loc lof log loi lol loo lor lot lra lrb lrc lrf lrg lri lro lrr lrt lta ltb ltc ltf ltg lti ltl lto ltr ltt o-i oaa oab oac oaf oag oai oal oao oar oat ob- oba obb obc obf obg obi obl obo obr obt oc- oca ocb occ ocf ocg oci ocl oco ocr oct of- ofa ofb ofc off ofg ofi ofl ofo ofr oft oga ogc ogf ogg ogi ogl ogo ogt oia oib oic oif oii oil oio oir oit ola olb olc olf olg oli oll olo olt oo- ooa oob ooc oof oog ooi ool ooo oor oot or- ora orb orc orf org ori orl oro orr ort ot- ota otb otc otf otg oti otl oto otr ott ra- raa rab rac raf rag rai ral rao rar rat rba rbb rbc rbf rbg rbi rbl rbo rbr rbt rca rcb rcc rcf rcg rci rcl rco rcr rct rfa rfb rfc rff rfg rfi rfl rfo rfr rft rga rgb rgc rgf rgg rgi rgo rgr rgt ria rib ric rif rig rii ril rio rir rit rla rlc rlf rlg rli rll rlo rlr rlt roa rob roc rof rog roi rol roo ror rot rra rrb rrc rrf rrg rri rrl rrr rrt rta rtb rtc rtf rtg rti rtl rto rtr rtt taa tab tac taf tag tai tal tao tar tat tba tbb tbc tbf tbg tbi tbl tbo tbr tbt tca tcb tcc tcf tcg tci tcl tco tcr tct tfa tfb tfc tff tfg tfi tfl tfo tfr tft tga tgb tgc tgf tgg tgi tgl tgo tgr tgt tia tib tic tif tig tii til tio tir tit tla tlc tlf tlg tli tll tlo tlr tlt to- toa tob toc tof tog toi tol too tor tot tra trb trc trf