-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aak aam aan aao aar aas aat ab- aba abb abc abf abi abk abm abn abo abr abs abt ac- aca acb acc acf aci ack acm acn aco acr acs act af- afa afb afc aff afi afk afm afn afo afr afs aft ai- aia aib aic aif aii aik aim ain aio air ais ait aka akb akc aki akk akm akn ako akr aks ama amb amc amf ami amk amm amn amo amr ams amt an- ana anb anc anf ani ank anm ann ano anr ans ant aoa aob aoc aof aoi aok aom aon aoo aor aos aot ar- ara arb arc arf ari ark arm arn aro arr ars art as- asa asb asc asf asi ask asm asn aso asr ass ast at- ata atb atc atf ati atm atn ato atr ats att baa bab bac baf bai bak bam ban bao bar bas bat bba bbb bbc bbf bbi bbk bbm bbn bbo bbr bbs bbt bca bcb bcc bcf bci bck bcm bcn bco bcr bcs bct bfa bfb bfc bff bfi bfm bfn bfo bfr bfs bft bi- bia bib bic bif bii bik bim bin bio bir bis bit bka bkb bkc bkf bkk bkm bkn bko bkr bks bkt bma bmb bmc bmf bmi bmk bmm bmn bmo bmr bms bmt bna bnb bnc bnf bni bnk bnn bno bnr bns bnt boa bob boc bof boi bok bom bon boo bor bos bot bra brb brf bri brk brm brn bro brr brs brt bsa bsb bsc bsf bsi bsk bsm bsn bso bsr bss bst bta btb btc btf bti btk btm btn bto btr bts btt c-- caa cab cac caf cai cak cam can cao car cas cat cba cbb cbc cbf cbi cbk cbm cbn cbo cbr cbs cbt cca ccb ccc ccf cci cck ccm ccn cco ccr ccs cct cfa cfb cfc cff cfi cfk cfm cfn cfo cfr cfs cft ci- cia cib cic cif cii cik cim cin cio cir cis cit cka ckb ckc cki ckm cko cks ckt cma cmb cmc cmf cmi cmk cmm cmn cmo cmr cms cmt cn- cna cnb cnc cnf cni cnm cnn cno cnr cns cnt co- coa cob coc cof coi cok com con coo cor cos cot cra crb crc crf cri crk crm crn cro crr crs crt csa csb csc csf csi csk csm csn cso csr css cst cta ctb ctc ctf cti ctk ctm ctn cto ctr cts ctt faa fab fac faf fai fak fam fan fao far fas fat fba fbb fbc fbf fbi fbk fbm fbn fbo fbr fbs fbt fca fcb fcc fcf fci fck fcm fcn fco fcr fcs fct ffa ffc fff ffi ffk ffm ffn ffo ffr ffs fft fia fib fic fif fii fik fim fin fir fis fit fka fkb fkc fkf fki fkk fkm fkt fma fmb fmc fmf fmi fmm fmn fmo fmr fms fmt fna fnb fnc fnf fni fnk fnm fnn fnr fns fnt foa fob foc fof foi fok fom fon foo for fos fot fra frb frc frf fri frk frm frn fro frr frs frt fsa fsb fsc fsf fsi fsk fsm fsn fso fsr fss fst fta ftb ftc ftf fti ftk ftm ftn fto ftr fts ftt i-f ia- iaa iab iac iaf iai iam ian iao iar ias iat iba ibb ibc ibf ibi ibk ibm ibn ibo ibr ibs ibt ica icb icc icf ici ick icm icn ico icr ics ict ifa ifb ifc iff ifi ifm ifn ifo ifr ifs ift iia iib iic iif iii iim iin iio iir iis iit ika ikb ikc ikf iki ikk iko ikr iks ikt im- ima imb imc imf imi imm imn imo ims imt in- ina inb inc inf ini ink inm inn ino inr ins int io- ioa iob ioc iof ioi iom ion ioo ior ios iot ir- ira irb irc irf iri irk irm irn iro irr irs irt is- isa isb isc isf isi isk ism isn iso isr iss ist ita itb itc itf iti itk itm itn ito its itt k-t ka- kaa kab kac kaf kai kak kam kan kao kar kas kat kba kbb kbc kbf kbi kbk kbm kbn kbo kbr kbs kca kcb kcc kci kck kcm kcn kcr kcs kct kfa kfc kff kfi kfm kfo kfs kia kib kic kif kii kik kim kin kio kir kis kit kkb kkc kki kkk kkm kkn kkr kks kkt kma kmb kmc kmf kmi kmk kmm kmo kms kmt kn- kna knc knf kni knk knm knn kno knr knt koa kob koc kof koi kok kom kon koo kor kos kot kra krc krf kri krk krn kro krr krs krt ksa ksb ksc ksf ksi ksk ksm ksn kso ksr kss kst kta ktb ktc ktf ktk ktm ktn kto ktr kts ktt m-f m-o m-r maa mab mac maf mai mak mam man mao mar mas mat mba mbb mbc mbf mbi mbk mbm mbo mbr mbs mbt mc- mca mcb mcc mcf mci mck mcm mcn mco mcr mcs mct mfa mfb mfc mff mfi mfm mfn mfo mfr mfs mft mi- mia mib mic mif mii mik mim min mio mir mis mit mka mkb mkc mkk mkm mkn mko mkr mks mkt mma mmb mmc mmf mmi mmk mmm mmn mmo mmr mms mmt mna mnb mnc mnf mni mnk mnm mnn mno mnr mns mnt moa mob moc mof moi mok mom mon moo mor mos mot mra mrb mrc mrf mri mrk mrm mrn mro mrr mrs mrt msa msb msc msf msi msk msm msn mso msr mss mst mta mtb mtc mtf mti mtk mtm mtn mto mtr mts mtt n-i naa nab nac naf nai nak nam nan