-er a-a a-b a-c a-t aaa aab aac aae aag aaj aam aan aao aar aat ab- aba abb abc abe abg abj abm abn abo abr abt ac- aca acb acc ace acg acj acm acn aco acr act aea aeb aec aee aeg aej aem aen aeo aer aet ag- aga agb agc age agg agj agm agn ago agr agt aja ajb ajc aje ajj ajm ajn ajo ajr ajt ama amb amc ame amg amm amn amo amr amt an- ana anb anc ane ang anj anm ann ano anr ant aoa aob aoc aoe aog aoj aom aon aoo aor aot ar- ara arb arc are arg arj arm arn aro arr art at- ata atb atc ate atg atm atn ato atr att baa bab bac bae bag baj bam ban bao bar bat bba bbb bbc bbe bbg bbm bbn bbo bbr bbt bca bcb bcc bce bcg bcj bcm bcn bco bcr bct be- bea beb bec bee beg bem ben beo ber bet bga bgb bgc bge bgg bgm bgn bgo bgr bgt bja bjc bjg bjj bjm bjn bjr bjt bma bmb bmc bme bmg bmj bmm bmn bmo bmr bmt bna bnb bnc bne bng bnj bnn bno bnr bnt boa bob boc boe bog boj bom bon boo bor bot bra brb bre brg brj brm brn bro brr brt bta btb btc bte btg btm btn bto btr btt c-- c-j caa cab cac cae cag caj cam can cao car cat cba cbb cbc cbe cbg cbj cbm cbn cbo cbr cbt cca ccb ccc cce ccg ccj ccm ccn cco ccr cct ce- cea ceb cec cee ceg cej cem cen ceo cer cet cga cgb cgc cge cgg cgm cgn cgo cgr cgt cja cjb cjc cjg cjr cma cmb cmc cme cmg cmj cmm cmn cmo cmr cmt cn- cna cnb cnc cne cng cnj cnm cnn cno cnr cnt co- coa cob coc coe cog coj com con coo cor cot cra crb crc cre crg crj crm crn cro crr crt cta ctb ctc cte ctg ctm ctn cto ctr ctt eaa eab eac eae eag eaj eam ean eao ear eat eba ebb ebc ebe ebg ebj ebm ebn ebo ebr ebt ec- eca ecb ecc ece ecg ecj ecm ecn eco ecr ect eea eeb eec eee eeg eem een eeo eer eet ega egb egc ege egg egm egn ego egr egt eja ejc ejo ejt em- ema emb emc eme emg emm emn emo emr emt en- ena enb enc ene eng enm enn eno enr ent eo- eoa eob eoc eoe eog eom eon eoo eor eot era erb erc ere erg erm ern ero err ert eta etb etc ete etg etj etm etn eto etr ett gaa gab gac gae gag gaj gam gan gao gar gat gba gbc gbe gbg gbj gbm gbn gbo gbr gbt gca gcb gcc gce gcg gcm gcn gco gcr gct ge- gea geb gec gee geg gem gen geo ger get gga ggb ggc ggg ggj ggm ggn ggo ggr ggt gja gjc gje gjg gjr gjt gma gmb gmc gme gmg gmj gmm gmn gmo gmr gmt gna gnb gnc gne gnm gnn gno gnr gnt goa gob goc goe gog gom gon goo gor got gra grb grc gre grg grj grm grn gro grr grt gta gtb gtc gte gtg gtm gtn gto gtr gtt jaa jab jac jae jag jaj jam jan jao jar jat jba jbc jbg jbj jbm jbo jbr jbt jca jcb jcc jce jcm jco jcr jct jea jeb jec jee jeg jej jem jen jeo jer jet jga jgb jge jgn jgo jgr jgt jja jjb jjc jjg jjj jjr jma jmb jmc jme jmj jmm jmn jmo jmr jmt jna jnc jne jng jnj jnn jno jnr jnt joa job joc joe jog joj jom jon joo jor jot jra jrb jrc jrg jrm jrn jro jrr jrt jta jtb jtc jte jtg jtm jtn jtr jtt m-o m-r maa mab mac mae mag maj mam man mao mar mat mba mbb mbc mbe mbg mbj mbm mbo mbr mbt mc- mca mcb mcc mce mcg mcm mcn mco mcr mct mea meb mec mee meg mej mem men meo mer met mga mgb mgc mge mgj mgm mgn mgo mgr mgt mjb mjc mje mjj mjm mjr mjt mma mmb mmc mme mmg mmj mmm mmn mmo mmr mmt mna mnb mnc mne mng mnj mnm mnn mno mnr mnt moa mob moc moe mog mom mon moo mor mot mra mrb mrc mre mrg mrj mrm mrn mro mrr mrt mta mtb mtc mte mtg mtj mtm mtn mto mtr mtt naa nab nac nae nag naj nam nan nao nar nat nba nbb nbc nbe nbg nbm nbn nbo nbr nbt nca ncb ncc nce ncg ncm ncn nco ncr nct ne- nea neb nec nee neg nej nem nen neo ner net nga ngb ngc nge ngg ngj ngm ngn ngo ngt nja njc nje njm njn nma nmb nmc nme nmg nmm nmn nmo nmr nmt nna nnb nnc nne nng nnm nnn nno nnt no- noa nob noc noe nog noj nom non noo nor not nra nrb nrc nre nrg nrj nrm nrn nro nrr nrt nta ntb ntc nte ntg ntm ntn nto ntr ntt oaa oab oac oae oag oaj oam oan oao oar oat ob- oba obb obc obe obg obj obm obn obo obr obt oc- oca ocb occ ocg ocj ocm ocn oco ocr oct oea oeb oec oee oeg oem oen oeo oer oet oga ogc oge ogg ogn ogo ogt oja ojb ojc oje ojm ojo om- oma omb omc ome omg omj omm omn omo omr omt on- ona onb onc one ong onj onn ono onr ont oo- ooa oob ooc oog oom oon ooo oor oot or- ora orb orc