a-a a-b a-c aaa aab aac aad aag aak aam aan aao aar ab- aba abb abc abd abg abk abm abn abo abr ac- aca acb acc acd acg ack acm acn aco acr ad- ada adb adc add adg adk adm adn ado adr ag- aga agb agc agd agg agk agm agn ago agr aka akb akc akd akg akk akm akn ako akr ama amb amc amd amg amk amm amn amo amr an- ana anb anc and ang ank anm ann ano anr aoa aob aoc aod aog aok aom aon aoo aor ar- ara arb arc ard arg ark arm arn aro arr baa bab bac bad bag bak bam ban bao bar bba bbb bbc bbd bbg bbk bbm bbn bbo bbr bca bcb bcc bcd bcg bck bcm bcn bco bcr bda bdb bdc bdd bdg bdk bdm bdo bdr bga bgb bgc bgd bgg bgk bgm bgn bgo bgr bka bkb bkc bkg bkk bkm bkn bko bkr bma bmb bmc bmd bmg bmk bmm bmn bmo bmr bna bnb bnc bnd bng bnk bnn bno bnr boa bob boc bod bog bok bom bon boo bor bra brb brd brg brk brm brn bro brr c-- caa cab cac cad cag cak cam can cao car cba cbb cbc cbd cbg cbk cbm cbn cbo cbr cca ccb ccc ccd ccg cck ccm ccn cco ccr cda cdb cdc cdd cdg cdk cdm cdn cdo cdr cga cgb cgc cgd cgg cgm cgn cgo cgr cka ckb ckc ckd ckm cko cma cmb cmc cmd cmg cmk cmm cmn cmo cmr cn- cna cnb cnc cnd cng cnm cnn cno cnr co- coa cob coc cod cog cok com con coo cor cra crb crc crd crg crk crm crn cro crr daa dab dac dad dag dak dam dan dao dar dba dbb dbc dbd dbg dbk dbm dbn dbo dbr dca dcb dcc dcd dcg dck dcm dcn dco dcr dda ddb ddc ddd ddg ddk ddm ddn ddo ddr dga dgc dgd dgg dgk dgm dgn dgr dka dkb dkc dkg dkk dkm dko dkr dma dmb dmc dmd dmg dmk dmm dmn dmo dmr dna dnb dnc dnd dng dnk dnm dnn dno dnr doa dob doc dod dog dok dom don doo dor dra drb drc drd drg drk drm drn dro drr g-d gaa gab gac gad gag gak gam gan gao gar gba gbc gbd gbg gbk gbm gbn gbo gbr gca gcb gcc gcd gcg gck gcm gcn gco gcr gda gdb gdc gdd gdk gdm gdn gdo gdr gga ggb ggc ggd ggg ggm ggn ggo ggr gka gkb gkd gkm gkn gko gma gmb gmc gmd gmg gmm gmn gmo gmr gna gnb gnc gnd gnm gnn gno gnr goa gob goc god gog gok gom gon goo gor gra grb grc grd grg grk grm grn gro grr ka- kaa kab kac kad kag kak kam kan kao kar kba kbb kbc kbd kbk kbm kbn kbo kbr kca kcb kcc kcd kcg kck kcm kcn kcr kda kdb kdc kdg kdk kdm kdo kdr kga kgb kgc kgd kgm kgo kkb kkc kkk kkm kkn kkr kma kmb kmc kmd kmg kmk kmm kmo kn- kna knc knd kng knk knm knn kno knr koa kob koc kod kog kok kom kon koo kor kra krc krd krg krk krn kro krr m-o m-r maa mab mac mad mag mak mam man mao mar mba mbb mbc mbd mbg mbk mbm mbo mbr mc- mca mcb mcc mcd mcg mck mcm mcn mco mcr mda mdb mdc mdd mdg mdk mdm mdn mdo mdr mga mgb mgc mgd mgk mgm mgn mgo mgr mka mkb mkc mkd mkg mkk mkm mkn mko mkr mma mmb mmc mmd mmg mmk mmm mmn mmo mmr mna mnb mnc mng mnk mnm mnn mno mnr moa mob moc mod mog mok mom mon moo mor mra mrb mrc mrd mrg mrk mrm mrn mro mrr naa nab nac nad nag nak nam nan nao nar nba nbb nbc nbd nbg nbk nbm nbn nbo nbr nca ncb ncc ncd ncg nck ncm ncn nco ncr nda ndb ndc ndd ndg ndk ndm ndn ndo ndr nga ngb ngc ngd ngg ngk ngm ngn ngo nka nkc nkk nkm nkn nko nkr nma nmb nmc nmd nmg nmk nmm nmn nmo nmr nna nnb nnc nng nnk nnm nnn nno no- noa nob noc nod nog nok nom non noo nor nra nrb nrc nrd nrg nrk nrm nrn nro nrr oaa oab oac oad oag oak oam oan oao oar ob- oba obb obc obd obg obk obm obn obo obr oc- oca ocb occ ocd ocg ock ocm ocn oco ocr oda odb odc odd odg odm odn odo odr oga ogc ogd ogg ogn ogo oka okb okc okd okg okk oko okr om- oma omb omc omd omg omm omn omo omr on- ona onb onc ond ong onk onn ono onr oo- ooa oob ooc ood oog ook oom oon ooo oor or- ora orb orc ord org ork orm orn oro orr ra- raa rab rac rad rag rak ram ran rao rar rba rbb rbc rbd rbg rbk rbm rbn rbo rbr rca rcb rcc rcd rcg rcm rcn rco rcr rda rdb rdc rdd rdg rdm rdn rdo rdr rga rgb rgc rgd rgg rgk rgn rgo rgr rkb rkc rkg rkk rkm rko rma rmb rmc rmd rmg rmm rmn rmo rmr rna rnb rnc rnd rng rnm rnn rno rnr roa rob roc rod rog rok rom ron roo ror rra rrb rrc rrd rrg rrk rrm rrn rrr

-ana a-ak a-do a-ok aaaa aaab aaac aaad aaam aaan aaar aaba aabb aabc aabd aabm aaca aacb aacc aacd aack aacm aacn aaco aacr aada aadc aaka aama aamb aamc aamd aamn aamo aamr aana aand aang aaon aaoo aara aarc aard