a-a a-c aaa aac aag aam aan aao aar aau aax ac- aca acc acg acm acn aco acr acu acx ag- aga agc agg agm agn ago agr agu agx ama amc amg amm amn amo amr amu amx an- ana anc ang anm ann ano anr anu anx aoa aoc aog aom aon aoo aor aou aox ar- ara arc arg arm arn aro arr aru arx au- aua auc aug aum aun auo aur aux ax- axa axm axn axo axr axx c-- caa cac cag cam can cao car cau cax cca ccc ccg ccm ccn cco ccr ccu ccx cga cgc cgg cgm cgn cgo cgr cgu cma cmc cmg cmm cmn cmo cmr cmu cmx cn- cna cnc cng cnm cnn cno cnr cnu cnx co- coa coc cog com con coo cor cou cox cra crc crg crm crn cro crr cru crx cua cuc cug cum cun cuo cur cuu cxc cxo cxr cxx gaa gac gag gam gan gao gar gau gca gcc gcg gcm gcn gco gcr gcu gga ggc ggg ggm ggn ggo ggr ggu gma gmc gmg gmm gmn gmo gmr gmx gna gnc gnm gnn gno gnr gnu goa goc gog gom gon goo gor gou gox gra grc grg grm grn gro grr gru grx gu- gua guc gug gum gun guo gur guu gxa m-o m-r maa mac mag mam man mao mar mau max mc- mca mcc mcg mcm mcn mco mcr mcu mcx mga mgc mgm mgn mgo mgr mgu mgx mma mmc mmg mmm mmn mmo mmr mmu mmx mna mnc mng mnm mnn mno mnr mnu moa moc mog mom mon moo mor mou mox mra mrc mrg mrm mrn mro mrr mru mrx mua muc mug mum mun mur muu mux mxa mxc mxn mxr mxu naa nac nag nam nan nao nar nau nax nca ncc ncg ncm ncn nco ncr ncu ncx nga ngc ngg ngm ngn ngo ngu nma nmc nmg nmm nmn nmo nmr nmu nna nnc nng nnm nnn nno nnu no- noa noc nog nom non noo nor nou nox nra nrc nrg nrm nrn nro nrr nru nrx nua nuc nug num nun nuo nur nuu nux nxc oaa oac oag oam oan oao oar oau oax oc- oca occ ocg ocm ocn oco ocr ocu ocx oga ogc ogg ogn ogo ogx om- oma omc omg omm omn omo omr omu omx on- ona onc ong onn ono onr onu onx oo- ooa ooc oog oom oon ooo oor oox or- ora orc org orm orn oro orr oru orx ou- oua ouc oum oun ouo our ox- oxa oxc oxn oxo oxx ra- raa rac rag ram ran rao rar rau rax rca rcc rcg rcm rcn rco rcr rcu rcx rga rgc rgg rgn rgo rgr rgx rma rmc rmg rmm rmn rmo rmr rmx rna rnc rng rnm rnn rno rnr rnu roa roc rog rom ron roo ror rou rox rra rrc rrg rrm rrn rrr rru rua ruc rug rum run ruo rur ruu rux rxr ua- uaa uac uag uam uan uao uar uau uca ucc ucg ucm ucn uco ucr ucu uga ugc ugg ugm ugn ugo ugr ugu ugx um- uma umc umg umm umn umo umr umu un- una unc ung unm unn uno unr unu unx uoa uoc uog uom uon uoo uor uox ur- ura urc urg urm urn uro urr uru urx uua uuc uug uum uun uur uuu uxc uxo uxr uxu xaa xac xag xam xan xar xau xcr xcx xma xmc xmg xmm xmo xmr xmu xmx xna xnc xno xnu xoa xoc xog xom xon xoo xor xox xrc xrx xun xxo xxx