-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aan aao aar aas aat ab- aba abb abc abi abm abn abo abr abs abt ac- aca acb acc aci acm acn aco acr acs act ai- aia aib aic aii aim ain aio air ais ait ama amb amc ami amm amn amo amr ams amt an- ana anb anc ani anm ann ano anr ans ant aoa aob aoc aoi aom aon aoo aor aos aot ar- ara arb arc ari arm arn aro arr ars art as- asa asb asc asi asm asn aso asr ass ast at- ata atb atc ati atm atn ato atr ats att baa bab bac bai bam ban bao bar bas bat bba bbb bbc bbi bbm bbn bbo bbr bbs bbt bca bcb bcc bci bcm bcn bco bcr bcs bct bi- bia bib bic bii bim bin bio bir bis bit bma bmb bmc bmi bmm bmn bmo bmr bms bmt bna bnb bnc bni bnn bno bnr bns bnt boa bob boc boi bom bon boo bor bos bot bra brb bri brm brn bro brr brs brt bsa bsb bsc bsi bsm bsn bso bsr bss bst bta btb btc bti btm btn bto btr bts btt c-- caa cab cac cai cam can cao car cas cat cba cbb cbc cbi cbm cbn cbo cbr cbs cbt cca ccb ccc cci ccm ccn cco ccr ccs cct ci- cia cib cic cii cim cin cio cir cis cit cma cmb cmc cmi cmm cmn cmo cmr cms cmt cn- cna cnb cnc cni cnm cnn cno cnr cns cnt co- coa cob coc coi com con coo cor cos cot cra crb crc cri crm crn cro crr crs crt csa csb csc csi csm csn cso csr css cst cta ctb ctc cti ctm ctn cto ctr cts ctt ia- iaa iab iac iai iam ian iao iar ias iat iba ibb ibc ibi ibm ibn ibo ibr ibs ibt ica icb icc ici icm icn ico icr ics ict iia iib iic iii iim iin iio iir iis iit im- ima imb imc imi imm imn imo ims imt in- ina inb inc ini inm inn ino inr ins int io- ioa iob ioc ioi iom ion ioo ior ios iot ir- ira irb irc iri irm irn iro irr irs irt is- isa isb isc isi ism isn iso isr iss ist ita itb itc iti itm itn ito its itt m-o m-r maa mab mac mai mam man mao mar mas mat mba mbb mbc mbi mbm mbo mbr mbs mbt mc- mca mcb mcc mci mcm mcn mco mcr mcs mct mi- mia mib mic mii mim min mio mir mis mit mma mmb mmc mmi mmm mmn mmo mmr mms mmt mna mnb mnc mni mnm mnn mno mnr mns mnt moa mob moc moi mom mon moo mor mos mot mra mrb mrc mri mrm mrn mro mrr mrs mrt msa msb msc msi msm msn mso msr mss mst mta mtb mtc mti mtm mtn mto mtr mts mtt n-i naa nab nac nai nam nan nao nar nas nat nba nbb nbc nbi nbm nbn nbo nbr nbs nbt nca ncb ncc nci ncm ncn nco ncr ncs nct nia nib nic nii nim nin nio nir nis nit nma nmb nmc nmi nmm nmn nmo nmr nms nmt nna nnb nnc nni nnm nnn nno nns nnt no- noa nob noc noi nom non noo nor nos not nra nrb nrc nri nrm nrn nro nrr nrs nrt nsa nsb nsc nsi nsm nsn nso nsr nss nst nta ntb ntc nti ntm ntn nto ntr nts ntt o-i oaa oab oac oai oam oan oao oar oas oat ob- oba obb obc obi obm obn obo obr obs obt oc- oca ocb occ oci ocm ocn oco ocr ocs oct oia oib oic oii oim oin oio oir ois oit om- oma omb omc omi omm omn omo omr oms omt on- ona onb onc oni onn ono onr ons ont oo- ooa oob ooc ooi oom oon ooo oor oos oot or- ora orb orc ori orm orn oro orr ors ort os- osa osb osc osi osm osn oso osr oss ost ot- ota otb otc oti otm otn oto otr ots ott ra- raa rab rac rai ram ran rao rar ras rat rba rbb rbc rbi rbm rbn rbo rbr rbs rbt rca rcb rcc rci rcm rcn rco rcr rcs rct ria rib ric rii rim rin rio rir ris rit rma rmb rmc rmi rmm rmn rmo rmr rms rmt rna rnb rnc rni rnm rnn rno rnr rns rnt roa rob roc roi rom ron roo ror ros rot rra rrb rrc rri rrm rrn rrr rrs rrt rsa rsb rsc rsi rsm rsn rso rsr rss rst rta rtb rtc rti rtm rtn rto rtr rts rtt saa sab sac sai sam san sao sar sas sat sba sbb sbc sbi sbm sbn sbo sbr sbs sbt sca scb scc sci scm scn sco scr scs sct sia sib sic sii sim sin sio sir sis sit sma smb smc smi smm smn smo smr sms smt sna snb snc sni snm snn sno snr sns snt soa sob soc soi som son soo sor sos sot sr- sra srb src sri srm srn sro srr srs srt ss- ssa ssb ssc ssi ssm ssn sso ssr sss sst sta stb stc sti stm stn sto str sts stt taa tab tac tai tam tan tao tar tas tat tba tbb tbc tbi tbm tbn tbo tbr tbs tbt tca tcb tcc tci tcm tcn tco tcr tcs tct tia tib tic tii tim tin tio tir tis tit tma tmb tmc tmi tmm tmn tmo tmr tms tmt tna tnb tnc tni tnm tnn tno tnr tns tnt to- toa tob toc toi tom