-al -ic a-a a-c a-i a-t aaa aac aaf aag aai aak aal aas aat ac- aca acc acf acg aci ack acl acs act af- afa afc aff afg afi afk afl afs aft ag- aga agc agf agg agi agk agl ags agt ai- aia aic aif aig aii aik ail ais ait aka akc akg aki akk akl aks al- ala alc alf alg ali alk all als alt as- asa asc asf asg asi ask asl ass ast at- ata atc atf atg ati atl ats att c-- caa cac caf cag cai cak cal cas cat cca ccc ccf ccg cci cck ccl ccs cct cfa cfc cff cfg cfi cfk cfl cfs cft cga cgc cgg cgi cgl cgs cgt ci- cia cic cif cig cii cik cil cis cit cka ckc cki cks ckt cl- cla clc clf clg cli clk cll cls clt csa csc csf csg csi csk csl css cst cta ctc ctf ctg cti ctk ctl cts ctt faa fac faf fag fai fak fal fas fat fca fcc fcf fcg fci fck fcl fcs fct ffa ffc fff ffg ffi ffk ffl ffs fft fga fgc fgf fgg fgi fgl fgs fgt fia fic fif fig fii fik fil fis fit fka fkc fkf fkg fki fkk fkl fkt fla flc flf flg fli fll fls flt fsa fsc fsf fsg fsi fsk fsl fss fst fta ftc ftf ftg fti ftk ftl fts ftt gaa gac gaf gag gai gak gal gas gat gca gcc gcf gcg gci gck gcl gcs gct gfa gfc gff gfi gfk gfl gfs gft gga ggc ggg ggi ggs ggt gia gic gif gig gii gik gil gis git gka gks gkt gla glc glf glg gli glk gll gls glt gsa gsc gsf gsg gsi gsk gsl gss gst gta gtc gtf gtg gti gtk gtl gts gtt i-f ia- iaa iac iaf iag iai ial ias iat ica icc icf icg ici ick icl ics ict ifa ifc iff ifg ifi ifl ifs ift iga igc igf igg igi igk igl igs igt iia iic iif iii iil iis iit ika ikc ikf iki ikk ikl iks ikt il- ila ilc ilf ilg ili ilk ill ils ilt is- isa isc isf isg isi isk isl iss ist ita itc itf itg iti itk itl its itt k-t ka- kaa kac kaf kag kai kak kal kas kat kca kcc kcg kci kck kcl kcs kct kfa kfc kff kfg kfi kfs kga kgc kgf kgi kgl kgs kia kic kif kig kii kik kil kis kit kkc kki kkk kkl kks kkt kl- kla klc klf klg kli kls klt ksa ksc ksf ksg ksi ksk ksl kss kst kta ktc ktf ktg ktk ktl kts ktt la- laa lac laf lag lai lak lal las lat lca lcc lcf lcg lci lck lcl lcs lct lfa lfc lff lfg lfi lfk lfl lfs lft lga lgc lgf lgg lgi lgk lgl lgs lgt lia lic lif lig lii lik lil lis lit lka lkg lkl lks lkt lla llc llf llg lli llk lll lls llt lsa lsc lsf lsg lsi lsk lsl lss lst lta ltc ltf ltg lti ltk ltl lts ltt saa sac saf sag sai sak sal sas sat sca scc scf scg sci sck scl scs sct sfa sfc sff sfg sfi sfk sfl sfs sft sga sgc sgf sgg sgi sgk sgl sgs sgt sia sic sif sig sii sik sil sis sit sk- ska skc skf skg ski skk skl sks skt sla slc slf slg sli slk sll sls slt ss- ssa ssc ssf ssg ssi ssk ssl sss sst sta stc stf stg sti stk stl sts stt taa tac taf tag tai tak tal tas tat tca tcc tcf tcg tci tck tcl tcs tct tfa tfc tff tfg tfi tfk tfl tfs tft tga tgc tgf tgg tgi tgk tgl tgs tgt tia tic tif tig tii tik til tis tit tka tkc tkg tkk tkl tks tkt tla tlc tlf tlg tli tlk tll tls tlt tsa tsc tsf tsg tsi tsk tsl tss tst tta ttc ttf ttg tti ttk ttl tts ttt