-er a-a a-c a-t aaa aac aad aae aag aak aam aan aar aat ac- aca acc acd ace acg ack acm acn acr act ad- ada adc add ade adg adk adm adn adr adt aea aec aed aee aeg aek aem aen aer aet ag- aga agc agd age agg agk agm agn agr agt aka akc akd ake akg akk akm akn akr ama amc amd ame amg amk amm amn amr amt an- ana anc and ane ang ank anm ann anr ant ar- ara arc ard are arg ark arm arn arr art at- ata atc atd ate atg atm atn atr att c-- caa cac cad cae cag cak cam can car cat cca ccc ccd cce ccg cck ccm ccn ccr cct cda cdc cdd cde cdg cdk cdm cdn cdr cdt ce- cea cec ced cee ceg cek cem cen cer cet cga cgc cgd cge cgg cgm cgn cgr cgt cka ckc ckd ckm ckt cma cmc cmd cme cmg cmk cmm cmn cmr cmt cn- cna cnc cnd cne cng cnm cnn cnr cnt cra crc crd cre crg crk crm crn crr crt cta ctc ctd cte ctg ctk ctm ctn ctr ctt daa dac dad dae dag dak dam dan dar dat dca dcc dcd dce dcg dck dcm dcn dcr dct dda ddc ddd dde ddg ddk ddm ddn ddr ddt de- dea dec ded dee deg dek dem den der det dga dgc dgd dge dgg dgk dgm dgn dgr dgt dka dkc dke dkg dkk dkm dkr dkt dma dmc dmd dme dmg dmk dmm dmn dmr dmt dna dnc dnd dne dng dnk dnm dnn dnr dnt dra drc drd dre drg drk drm drn drr drt dta dtc dtd dte dtg dtk dtm dtn dtr dtt eaa eac ead eae eag eak eam ean ear eat ec- eca ecc ecd ece ecg eck ecm ecn ecr ect ed- eda edc edd ede edg edk edm edn edr edt eea eec eed eee eeg eek eem een eer eet ega egc egd ege egg egm egn egr egt eka ekc ekd eke ekg ekr ekt em- ema emc emd eme emg emk emm emn emr emt en- ena enc end ene eng enk enm enn enr ent era erc erd ere erg erk erm ern err ert eta etc etd ete etg etk etm etn etr ett g-d gaa gac gad gae gag gak gam gan gar gat gca gcc gcd gce gcg gck gcm gcn gcr gct gda gdc gdd gde gdk gdm gdn gdr gdt ge- gea gec ged gee geg gek gem gen ger get gga ggc ggd ggg ggm ggn ggr ggt gka gkd gkm gkn gkt gma gmc gmd gme gmg gmm gmn gmr gmt gna gnc gnd gne gnm gnn gnr gnt gra grc grd gre grg grk grm grn grr grt gta gtc gtd gte gtg gtk gtm gtn gtr gtt k-t ka- kaa kac kad kae kag kak kam kan kar kat kca kcc kcd kce kcg kck kcm kcn kcr kct kda kdc kde kdg kdk kdm kdr kdt ke- kea kec ked kee keg kek kem ken ker ket kga kgc kgd kgm kkc kke kkk kkm kkn kkr kkt kma kmc kmd kme kmg kmk kmm kmt kn- kna knc knd kne kng knk knm knn knr knt kra krc krd krg krk krn krr krt kta ktc kte ktg ktk ktm ktn ktr ktt m-r maa mac mad mae mag mak mam man mar mat mc- mca mcc mcd mce mcg mck mcm mcn mcr mct mda mdc mdd mde mdg mdk mdm mdn mdr mdt mea mec med mee meg mek mem men mer met mga mgc mgd mge mgk mgm mgn mgr mgt mka mkc mkd mke mkg mkk mkm mkn mkr mkt mma mmc mmd mme mmg mmk mmm mmn mmr mmt mna mnc mne mng mnk mnm mnn mnr mnt mra mrc mrd mre mrg mrk mrm mrn mrr mrt mta mtc mtd mte mtg mtk mtm mtn mtr mtt naa nac nad nae nag nak nam nan nar nat nca ncc ncd nce ncg nck ncm ncn ncr nct nda ndc ndd nde ndg ndk ndm ndn ndr ndt ne- nea nec ned nee neg nek nem nen ner net nga ngc ngd nge ngg ngk ngm ngn ngt nka nkc nke nkk nkm nkn nkr nkt nma nmc nmd nme nmg nmk nmm nmn nmr nmt nna nnc nne nng nnk nnm nnn nnt nra nrc nrd nre nrg nrk nrm nrn nrr nrt nta ntc ntd nte ntg ntk ntm ntn ntr ntt ra- raa rac rad rae rag rak ram ran rar rat rca rcc rcd rce rcg rcm rcn rcr rct rda rdc rdd rde rdg rdm rdn rdr rdt re- rea rec red ree reg rek rem ren rer ret rga rgc rgd rge rgg rgk rgn rgr rgt rkc rke rkg rkk rkm rkt rma rmc rmd rme rmg rmm rmn rmr rmt rna rnc rnd rng rnm rnn rnr rnt rra rrc rrd rrg rrk rrm rrn rrr rrt rta rtc rtd rte rtg rtk rtm rtn rtr rtt taa tac tad tae tag tak tam tan tar tat tca tcc tcd tce tcg tck tcm tcn tcr tct tda tdc tdd tde tdg tdk tdm tdn tdr tdt te- tea tec ted tee teg tek tem ten ter tet tga tgc tge tgg tgk tgm tgn tgr tgt tka tkc tke tkg tkk tkm tkr tkt tma tmc tmd tme tmg tmk tmm tmn tmr tmt tna tnc tnd tne tng tnk tnm tnn tnr tnt tra trc trd tre trg trk trm trn trr trt tta ttc ttd tte ttg ttk ttm ttn ttr ttt