a-a a-c a-t aaa aac aad aam aan aao aap aar aat ac- aca acc acd acm acn aco acp acr act ad- ada adc add adm adn ado adp adr adt ama amc amd amm amn amo amp amr amt an- ana anc and anm ann ano anp anr ant aoa aoc aod aom aon aoo aop aor aot ap- apa apc apd apm apn apo app apr apt ar- ara arc ard arm arn aro arp arr art at- ata atc atd atm atn ato atp atr att c-- caa cac cad cam can cao cap car cat cca ccc ccd ccm ccn cco ccp ccr cct cda cdc cdd cdm cdn cdo cdp cdr cdt cma cmc cmd cmm cmn cmo cmp cmr cmt cn- cna cnc cnd cnm cnn cno cnp cnr cnt co- coa coc cod com con coo cop cor cot cpa cpc cpd cpm cpn cpo cpp cpr cpt cra crc crd crm crn cro crp crr crt cta ctc ctd ctm ctn cto ctp ctr ctt daa dac dad dam dan dao dap dar dat dca dcc dcd dcm dcn dco dcp dcr dct dda ddc ddd ddm ddn ddo ddp ddr ddt dma dmc dmd dmm dmn dmo dmp dmr dmt dna dnc dnd dnm dnn dno dnp dnr dnt doa doc dod dom don doo dop dor dot dpa dpc dpd dpm dpn dpo dpp dpr dpt dra drc drd drm drn dro drp drr drt dta dtc dtd dtm dtn dto dtp dtr dtt m-o m-r maa mac mad mam man mao map mar mat mc- mca mcc mcd mcm mcn mco mcp mcr mct mda mdc mdd mdm mdn mdo mdp mdr mdt mma mmc mmd mmm mmn mmo mmp mmr mmt mna mnc mnm mnn mno mnp mnr mnt moa moc mod mom mon moo mop mor mot mpa mpc mpd mpm mpn mpo mpp mpr mpt mra mrc mrd mrm mrn mro mrp mrr mrt mta mtc mtd mtm mtn mto mtp mtr mtt naa nac nad nam nan nao nap nar nat nca ncc ncd ncm ncn nco ncp ncr nct nda ndc ndd ndm ndn ndo ndp ndr ndt nma nmc nmd nmm nmn nmo nmp nmr nmt nna nnc nnm nnn nno nnp nnt no- noa noc nod nom non noo nop nor not npa npc npd npm npn npo npp npr npt nra nrc nrd nrm nrn nro nrp nrr nrt nta ntc ntd ntm ntn nto ntp ntr ntt oaa oac oad oam oan oao oap oar oat oc- oca occ ocd ocm ocn oco ocp ocr oct oda odc odd odm odn odo odp odr odt om- oma omc omd omm omn omo omp omr omt on- ona onc ond onn ono onp onr ont oo- ooa ooc ood oom oon ooo oop oor oot op- opa opc opd opm opn opo opp opr opt or- ora orc ord orm orn oro orp orr ort ot- ota otc otd otm otn oto otp otr ott p-p paa pac pad pam pan pao pap par pat pca pcc pcd pcm pcn pco pcp pcr pct pda pdc pdd pdm pdn pdo pdp pdr pdt pma pmc pmd pmm pmn pmo pmp pmr pmt pn- pna pnc pnd pnm pnn pno pnp pnr pnt poa poc pod pom pon poo pop por pot ppa ppc ppd ppm ppn ppo ppp ppr ppt pra prc prd prm prn pro prp prr prt pt- pta ptc ptd ptm ptn pto ptp ptr ptt ra- raa rac rad ram ran rao rap rar rat rca rcc rcd rcm rcn rco rcp rcr rct rda rdc rdd rdm rdn rdo rdp rdr rdt rma rmc rmd rmm rmn rmo rmp rmr rmt rna rnc rnd rnm rnn rno rnp rnr rnt roa roc rod rom ron roo rop ror rot rpa rpc rpd rpm rpn rpo rpp rpr rpt rra rrc rrd rrm rrn rrp rrr rrt rta rtc rtd rtm rtn rto rtp rtr rtt taa tac tad tam tan tao tap tar tat tca tcc tcd tcm tcn tco tcp tcr tct tda tdc tdd tdm tdn tdo tdp tdr tdt tma tmc tmd tmm tmn tmo tmp tmr tmt tna tnc tnd tnm tnn tno tnp tnr tnt to- toa toc tod tom ton too top tor tot tpa tpc tpd tpm tpn tpo tpp tpr tpt tra trc trd trm trn tro trp trr trt tta ttc ttd ttm ttn tto ttp ttr ttt