-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aag aai aal aao aar aas aat ab- aba abb abc abg abi abl abo abr abs abt ac- aca acb acc acg aci acl aco acr acs act ag- aga agb agc agg agi agl ago agr ags agt ai- aia aib aic aig aii ail aio air ais ait al- ala alb alc alg ali all alo alr als alt aoa aob aoc aog aoi aol aoo aor aos aot ar- ara arb arc arg ari arl aro arr ars art as- asa asb asc asg asi asl aso asr ass ast at- ata atb atc atg ati atl ato atr ats att baa bab bac bag bai bal bao bar bas bat bba bbb bbc bbg bbi bbl bbo bbr bbs bbt bca bcb bcc bcg bci bcl bco bcr bcs bct bga bgb bgc bgg bgi bgl bgo bgr bgs bgt bi- bia bib bic big bii bil bio bir bis bit bla blb blc blg bli bll blo blr bls blt boa bob boc bog boi bol boo bor bos bot bra brb brg bri brl bro brr brs brt bsa bsb bsc bsg bsi bsl bso bsr bss bst bta btb btc btg bti btl bto btr bts btt c-- caa cab cac cag cai cal cao car cas cat cba cbb cbc cbg cbi cbl cbo cbr cbs cbt cca ccb ccc ccg cci ccl cco ccr ccs cct cga cgb cgc cgg cgi cgl cgo cgr cgs cgt ci- cia cib cic cig cii cil cio cir cis cit cl- cla clb clc clg cli cll clo clr cls clt co- coa cob coc cog coi col coo cor cos cot cra crb crc crg cri crl cro crr crs crt csa csb csc csg csi csl cso csr css cst cta ctb ctc ctg cti ctl cto ctr cts ctt gaa gab gac gag gai gal gao gar gas gat gba gbc gbg gbi gbl gbo gbr gbs gbt gca gcb gcc gcg gci gcl gco gcr gcs gct gga ggb ggc ggg ggi ggo ggr ggs ggt gia gib gic gig gii gil gio gir gis git gla glb glc glg gli gll glo glr gls glt goa gob goc gog goi gol goo gor gos got gra grb grc grg gri grl gro grr grs grt gsa gsb gsc gsg gsi gsl gso gsr gss gst gta gtb gtc gtg gti gtl gto gtr gts gtt ia- iaa iab iac iag iai ial iao iar ias iat iba ibb ibc ibg ibi ibl ibo ibr ibs ibt ica icb icc icg ici icl ico icr ics ict iga igb igc igg igi igl igo igr igs igt iia iib iic iii iil iio iir iis iit il- ila ilb ilc ilg ili ill ilo ilr ils ilt io- ioa iob ioc iog ioi iol ioo ior ios iot ir- ira irb irc irg iri irl iro irr irs irt is- isa isb isc isg isi isl iso isr iss ist ita itb itc itg iti itl ito its itt la- laa lab lac lag lai lal lao lar las lat lba lbb lbc lbg lbi lbl lbo lbr lbs lbt lca lcb lcc lcg lci lcl lco lcr lcs lct lga lgb lgc lgg lgi lgl lgo lgr lgs lgt lia lib lic lig lii lil lio lir lis lit lla llb llc llg lli lll llo llr lls llt loa lob loc log loi lol loo lor los lot lra lrb lrc lrg lri lro lrr lrs lrt lsa lsb lsc lsg lsi lsl lso lsr lss lst lta ltb ltc ltg lti ltl lto ltr lts ltt o-i oaa oab oac oag oai oal oao oar oas oat ob- oba obb obc obg obi obl obo obr obs obt oc- oca ocb occ ocg oci ocl oco ocr ocs oct oga ogc ogg ogi ogl ogo ogs ogt oia oib oic oii oil oio oir ois oit ola olb olc olg oli oll olo ols olt oo- ooa oob ooc oog ooi ool ooo oor oos oot or- ora orb orc org ori orl oro orr ors ort os- osa osb osc osg osi osl oso osr oss ost ot- ota otb otc otg oti otl oto otr ots ott ra- raa rab rac rag rai ral rao rar ras rat rba rbb rbc rbg rbi rbl rbo rbr rbs rbt rca rcb rcc rcg rci rcl rco rcr rcs rct rga rgb rgc rgg rgi rgo rgr rgs rgt ria rib ric rig rii ril rio rir ris rit rla rlc rlg rli rll rlo rlr rls rlt roa rob roc rog roi rol roo ror ros rot rra rrb rrc rrg rri rrl rrr rrs rrt rsa rsb rsc rsg rsi rsl rso rsr rss rst rta rtb rtc rtg rti rtl rto rtr rts rtt saa sab sac sag sai sal sao sar sas sat sba sbb sbc sbg sbi sbl sbo sbr sbs sbt sca scb scc scg sci scl sco scr scs sct sga sgb sgc sgg sgi sgl sgo sgr sgs sgt sia sib sic sig sii sil sio sir sis sit sla slb slc slg sli sll slo slr sls slt soa sob soc sog soi sol soo sor sos sot sr- sra srb src srg sri srl sro srr srs srt ss- ssa ssb ssc ssg ssi ssl sso ssr sss sst sta stb stc stg sti stl sto str sts stt taa tab tac tag tai tal tao tar tas tat tba tbb tbc tbg tbi tbl tbo tbr tbs tbt tca tcb tcc tcg tci tcl tco tcr tcs tct tga tgb tgc tgg tgi tgl tgo tgr tgs tgt tia tib tic tig tii til tio tir tis tit tla tlc tlg tli tll tlo tlr tls tlt to- toa tob toc tog toi tol too tor tos tot tra trb trc trg tri trl