-er a-a a-c aaa aac aae aag aam aao aap aar aav ac- aca acc ace acg acm aco acp acr acv aea aec aee aeg aem aeo aep aer aev ag- aga agc age agg agm ago agp agr agv ama amc ame amg amm amo amp amr amv aoa aoc aoe aog aom aoo aop aor aov ap- apa apc ape apg apm apo app apr apv ar- ara arc are arg arm aro arp arr arv av- ava avc ave avg avm avo avp avr c-- caa cac cae cag cam cao cap car cav cca ccc cce ccg ccm cco ccp ccr ccv ce- cea cec cee ceg cem ceo cep cer cev cga cgc cge cgg cgm cgo cgp cgr cgv cma cmc cme cmg cmm cmo cmp cmr cmv co- coa coc coe cog com coo cop cor cov cpa cpc cpe cpg cpm cpo cpp cpr cpv cra crc cre crg crm cro crp crr crv cva cvc cve cvg cvm cvo cvp cvr cvv eaa eac eae eag eam eao eap ear eav ec- eca ecc ece ecg ecm eco ecr ecv eea eec eee eeg eem eeo eep eer eev ega egc ege egg egm ego egp egr em- ema emc eme emg emm emo emp emr emv eo- eoa eoc eoe eog eom eoo eop eor ep- epa epc epe epg epm epo epp epr era erc ere erg erm ero erp err erv eva evc eve evg evm evo evp evr evv g-p gaa gac gae gag gam gao gap gar gav gca gcc gce gcg gcm gco gcp gcr ge- gea gec gee geg gem geo gep ger gev gga ggc ggg ggm ggo ggp ggr ggv gma gmc gme gmg gmm gmo gmp gmr gmv goa goc goe gog gom goo gop gor gov gpa gpc gpe gpg gpm gpo gpp gpr gra grc gre grg grm gro grp grr grv gva gvc gve gvg gvm gvo gvp gvr m-o m-r m-v maa mac mae mag mam mao map mar mav mc- mca mcc mce mcg mcm mco mcp mcr mcv mea mec mee meg mem meo mep mer mev mga mgc mge mgm mgo mgp mgr mgv mma mmc mme mmg mmm mmo mmp mmr mmv moa moc moe mog mom moo mop mor mov mpa mpc mpe mpg mpm mpo mpp mpr mpv mra mrc mre mrg mrm mro mrp mrr mrv mva mvc mve mvg mvm mvo mvp mvr mvv oaa oac oae oag oam oao oap oar oav oc- oca occ ocg ocm oco ocp ocr ocv oea oec oee oeg oem oeo oep oer oga ogc oge ogg ogo ogp om- oma omc ome omg omm omo omp omr omv oo- ooa ooc oog oom ooo oop oor oov op- opa opc ope opg opm opo opp opr opv or- ora orc ore org orm oro orp orr orv ov- ova ovc ove ovo ovp ovv p-p paa pac pae pag pam pao pap par pav pca pcc pce pcg pcm pco pcp pcr pcv pea pec pee peg pem peo pep per pev pga pgc pge pgg pgm pgo pgp pgr pgv pma pmc pme pmg pmm pmo pmp pmr pmv poa poc poe pog pom poo pop por pov ppa ppc ppe ppg ppm ppo ppp ppr ppv pra prc pre prg prm pro prp prr prv pva pvc pve pvg pvm pvo pvp pvr pvv ra- raa rac rae rag ram rao rap rar rav rca rcc rce rcg rcm rco rcp rcr rcv re- rea rec ree reg rem reo rep rer rev rga rgc rge rgg rgo rgp rgr rgv rma rmc rme rmg rmm rmo rmp rmr rmv roa roc roe rog rom roo rop ror rov rpa rpc rpe rpg rpm rpo rpp rpr rpv rra rrc rrg rrm rrp rrr rva rvc rve rvg rvm rvo rvp rvr rvv v-a v-e vaa vac vae vag vam vao vap var vav vca vcc vce vcm vco vcp vcr vea vec vee veg vem veo vep ver vga vgc vgg vgm vgo vgp vgr vm- vma vmc vmm vmo vmr voa voc voe vog vom voo vop vor vov vpa vpc vpe vpg vpm vpo vpp vpr vra vrc vre vrg vrm vrp vrr vva vvc vvg vvm vvo vvr vvv