-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aan aao aar aat ab- aba abb abc abi abm abn abo abr abt ac- aca acb acc aci acm acn aco acr act ai- aia aib aic aii aim ain aio air ait ama amb amc ami amm amn amo amr amt an- ana anb anc ani anm ann ano anr ant aoa aob aoc aoi aom aon aoo aor aot ar- ara arb arc ari arm arn aro arr art at- ata atb atc ati atm atn ato atr att baa bab bac bai bam ban bao bar bat bba bbb bbc bbi bbm bbn bbo bbr bbt bca bcb bcc bci bcm bcn bco bcr bct bi- bia bib bic bii bim bin bio bir bit bma bmb bmc bmi bmm bmn bmo bmr bmt bna bnb bnc bni bnn bno bnr bnt boa bob boc boi bom bon boo bor bot bra brb bri brm brn bro brr brt bta btb btc bti btm btn bto btr btt c-- caa cab cac cai cam can cao car cat cba cbb cbc cbi cbm cbn cbo cbr cbt cca ccb ccc cci ccm ccn cco ccr cct ci- cia cib cic cii cim cin cio cir cit cma cmb cmc cmi cmm cmn cmo cmr cmt cn- cna cnb cnc cni cnm cnn cno cnr cnt co- coa cob coc coi com con coo cor cot cra crb crc cri crm crn cro crr crt cta ctb ctc cti ctm ctn cto ctr ctt ia- iaa iab iac iai iam ian iao iar iat iba ibb ibc ibi ibm ibn ibo ibr ibt ica icb icc ici icm icn ico icr ict iia iib iic iii iim iin iio iir iit im- ima imb imc imi imm imn imo imt in- ina inb inc ini inm inn ino inr int io- ioa iob ioc ioi iom ion ioo ior iot ir- ira irb irc iri irm irn iro irr irt ita itb itc iti itm itn ito itt m-o m-r maa mab mac mai mam man mao mar mat mba mbb mbc mbi mbm mbo mbr mbt mc- mca mcb mcc mci mcm mcn mco mcr mct mi- mia mib mic mii mim min mio mir mit mma mmb mmc mmi mmm mmn mmo mmr mmt mna mnb mnc mni mnm mnn mno mnr mnt moa mob moc moi mom mon moo mor mot mra mrb mrc mri mrm mrn mro mrr mrt mta mtb mtc mti mtm mtn mto mtr mtt n-i naa nab nac nai nam nan nao nar nat nba nbb nbc nbi nbm nbn nbo nbr nbt nca ncb ncc nci ncm ncn nco ncr nct nia nib nic nii nim nin nio nir nit nma nmb nmc nmi nmm nmn nmo nmr nmt nna nnb nnc nni nnm nnn nno nnt no- noa nob noc noi nom non noo nor not nra nrb nrc nri nrm nrn nro nrr nrt nta ntb ntc nti ntm ntn nto ntr ntt o-i oaa oab oac oai oam oan oao oar oat ob- oba obb obc obi obm obn obo obr obt oc- oca ocb occ oci ocm ocn oco ocr oct oia oib oic oii oim oin oio oir oit om- oma omb omc omi omm omn omo omr omt on- ona onb onc oni onn ono onr ont oo- ooa oob ooc ooi oom oon ooo oor oot or- ora orb orc ori orm orn oro orr ort ot- ota otb otc oti otm otn oto otr ott ra- raa rab rac rai ram ran rao rar rat rba rbb rbc rbi rbm rbn rbo rbr rbt rca rcb rcc rci rcm rcn rco rcr rct ria rib ric rii rim rin rio rir rit rma rmb rmc rmi rmm rmn rmo rmr rmt rna rnb rnc rni rnm rnn rno rnr rnt roa rob roc roi rom ron roo ror rot rra rrb rrc rri rrm rrn rrr rrt rta rtb rtc rti rtm rtn rto rtr rtt taa tab tac tai tam tan tao tar tat tba tbb tbc tbi tbm tbn tbo tbr tbt tca tcb tcc tci tcm tcn tco tcr tct tia tib tic tii tim tin tio tir tit tma tmb tmc tmi tmm tmn tmo tmr tmt tna tnb tnc tni tnm tnn tno tnr tnt to- toa tob toc toi tom ton too tor tot tra trb trc tri trm trn tro trr trt tta ttb ttc tti ttm ttn tto ttr ttt