-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aam aan aao aar aas aat ab- aba abb abc abf abi abm abn abo abr abs abt ac- aca acb acc acf aci acm acn aco acr acs act af- afa afb afc aff afi afm afn afo afr afs aft ai- aia aib aic aif aii aim ain aio air ais ait ama amb amc amf ami amm amn amo amr ams amt an- ana anb anc anf ani anm ann ano anr ans ant aoa aob aoc aof aoi aom aon aoo aor aos aot ar- ara arb arc arf ari arm arn aro arr ars art as- asa asb asc asf asi asm asn aso asr ass ast at- ata atb atc atf ati atm atn ato atr ats att baa bab bac baf bai bam ban bao bar bas bat bba bbb bbc bbf bbi bbm bbn bbo bbr bbs bbt bca bcb bcc bcf bci bcm bcn bco bcr bcs bct bfa bfb bfc bff bfi bfm bfn bfo bfr bfs bft bi- bia bib bic bif bii bim bin bio bir bis bit bma bmb bmc bmf bmi bmm bmn bmo bmr bms bmt bna bnb bnc bnf bni bnn bno bnr bns bnt boa bob boc bof boi bom bon boo bor bos bot bra brb brf bri brm brn bro brr brs brt bsa bsb bsc bsf bsi bsm bsn bso bsr bss bst bta btb btc btf bti btm btn bto btr bts btt c-- caa cab cac caf cai cam can cao car cas cat cba cbb cbc cbf cbi cbm cbn cbo cbr cbs cbt cca ccb ccc ccf cci ccm ccn cco ccr ccs cct cfa cfb cfc cff cfi cfm cfn cfo cfr cfs cft ci- cia cib cic cif cii cim cin cio cir cis cit cma cmb cmc cmf cmi cmm cmn cmo cmr cms cmt cn- cna cnb cnc cnf cni cnm cnn cno cnr cns cnt co- coa cob coc cof coi com con coo cor cos cot cra crb crc crf cri crm crn cro crr crs crt csa csb csc csf csi csm csn cso csr css cst cta ctb ctc ctf cti ctm ctn cto ctr cts ctt faa fab fac faf fai fam fan fao far fas fat fba fbb fbc fbf fbi fbm fbn fbo fbr fbs fbt fca fcb fcc fcf fci fcm fcn fco fcr fcs fct ffa ffc fff ffi ffm ffn ffo ffr ffs fft fia fib fic fif fii fim fin fir fis fit fma fmb fmc fmf fmi fmm fmn fmo fmr fms fmt fna fnb fnc fnf fni fnm fnn fnr fns fnt foa fob foc fof foi fom fon foo for fos fot fra frb frc frf fri frm frn fro frr frs frt fsa fsb fsc fsf fsi fsm fsn fso fsr fss fst fta ftb ftc ftf fti 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 ibm ibn ibo ibr ibs ibt ica icb icc icf ici 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 im- ima imb imc imf imi imm imn imo ims imt in- ina inb inc inf ini inm inn ino inr ins int io- ioa iob ioc iof ioi iom ion ioo ior ios iot ir- ira irb irc irf iri irm irn iro irr irs irt is- isa isb isc isf isi ism isn iso isr iss ist ita itb itc itf iti itm itn ito its itt m-f m-o m-r maa mab mac maf mai mam man mao mar mas mat mba mbb mbc mbf mbi mbm mbo mbr mbs mbt mc- mca mcb mcc mcf mci mcm mcn mco mcr mcs mct mfa mfb mfc mff mfi mfm mfn mfo mfr mfs mft mi- mia mib mic mif mii mim min mio mir mis mit mma mmb mmc mmf mmi mmm mmn mmo mmr mms mmt mna mnb mnc mnf mni mnm mnn mno mnr mns mnt moa mob moc mof moi mom mon moo mor mos mot mra mrb mrc mrf mri mrm mrn mro mrr mrs mrt msa msb msc msf msi msm msn mso msr mss mst mta mtb mtc mtf mti mtm mtn mto mtr mts mtt n-i naa nab nac naf nai nam nan nao nar nas nat nba nbb nbc nbf nbi nbm nbn nbo nbr nbs nbt nca ncb ncc ncf nci ncm ncn nco ncr ncs nct nfa nfb nfc nff nfi nfn nfo nfr nfs nft nia nib nic nif nii nim nin nio nir nis nit nma nmb nmc nmi nmm nmn nmo nmr nms nmt nna nnb nnc nnf nni nnm nnn nno nns nnt no- noa nob noc nof noi nom non noo nor nos not nra nrb nrc nrf nri nrm nrn nro nrr nrs nrt nsa nsb nsc nsf nsi nsm nsn nso nsr nss nst nta ntb ntc ntf nti ntm ntn nto ntr nts ntt o-i oaa oab oac oaf oai oam oan oao oar oas oat ob- oba obb obc obf obi obm obn obo obr obs obt oc- oca ocb occ ocf oci ocm ocn oco ocr ocs oct of- ofa ofb ofc off ofi ofm ofn ofo ofr ofs oft oia oib oic oif oii oim oin oio oir ois oit om- oma omb omc omf omi omm omn omo omr oms omt on- ona onb onc onf oni onn ono onr ons ont oo- ooa oob ooc oof ooi oom oon ooo oor oos oot or- ora orb orc orf ori orm orn oro orr ors ort os- osa osb osc osf osi osm osn oso osr oss ost ot- ota otb otc otf oti otm otn oto otr ots ott ra-