-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aam aar aav ab- aba abb abc abe abg abi abk abm abr abv ac- aca acb acc ace acg aci ack acm acr acv aea aeb aec aee aeg aei aek aem aer aev ag- aga agb agc age agg agi agk agm agr agv ai- aia aib aic aie aig aii aik aim air aiv aka akb akc ake akg aki akk akm akr akv ama amb amc ame amg ami amk amm amr amv ar- ara arb arc are arg ari ark arm arr arv av- ava avb avc ave avg avi avk avm avr baa bab bac bae bag bai bak bam bar bav bba bbb bbc bbe bbg bbi bbk bbm bbr bca bcb bcc bce bcg bci bck bcm bcr bcv be- bea beb bec bee beg bei bek bem ber bev bga bgb bgc bge bgg bgi bgk bgm bgr bgv bi- bia bib bic bie big bii bik bim bir biv bka bkb bkc bke bkg bkk bkm bkr bkv bma bmb bmc bme bmg bmi bmk bmm bmr bmv bra brb bre brg bri brk brm brr brv bva bvb bvc bve bvg bvi bvk bvm bvr bvv c-- caa cab cac cae cag cai cak cam car cav cba cbb cbc cbe cbg cbi cbk cbm cbr cbv cca ccb ccc cce ccg cci cck ccm ccr ccv ce- cea ceb cec cee ceg cei cek cem cer cev cga cgb cgc cge cgg cgi cgm cgr cgv ci- cia cib cic cie cig cii cik cim cir civ cka ckb ckc cki ckm cma cmb cmc cme cmg cmi cmk cmm cmr cmv cra crb crc cre crg cri crk crm crr crv cva cvb cvc cve cvg cvi cvk cvm cvr cvv eaa eab eac eae eag eai eak eam ear eav eba ebb ebc ebe ebg ebi ebk ebm ebr ebv ec- eca ecb ecc ece ecg eci eck ecm ecr ecv eea eeb eec eee eeg eek eem eer eev ega egb egc ege egg egi egm egr eia eib eic eie eig eii eik eim eir eiv eka ekb ekc eke ekg eki ekr ekv em- ema emb emc eme emg emi emk emm emr emv era erb erc ere erg eri erk erm err erv eva evb evc eve evg evi evm evr evv gaa gab gac gae gag gai gak gam gar gav gba gbc gbe gbg gbi gbk gbm gbr gbv gca gcb gcc gce gcg gci gck gcm gcr ge- gea geb gec gee geg gei gek gem ger gev gga ggb ggc ggg ggi ggm ggr ggv gia gib gic gie gig gii gik gim gir giv gka gkb gkm gma gmb gmc gme gmg gmi gmm gmr gmv gra grb grc gre grg gri grk grm grr grv gva gvb gvc gve gvg gvi gvk gvm gvr i-v ia- iaa iab iac iae iag iai iam iar iav iba ibb ibc ibe ibg ibi ibk ibm ibr ibv ica icb icc ice icg ici ick icm icr icv ie- iea iec iee ieg iei iek iem ier iev iga igb igc ige igg igi igk igm igr iia iib iic iie iii iim iir ika ikb ikc ike iki ikk ikr ikv im- ima imb imc ime img imi imm imv ir- ira irb irc ire irg iri irk irm irr irv iva ivb ivc ive ivg ivi ivr ivv ka- kaa kab kac kae kag kai kak kam kar kav kba kbb kbc kbe kbi kbk kbm kbr kca kcb kcc kce kcg kci kck kcm kcr ke- kea keb kec kee keg kei kek kem ker kev kga kgb kgc kgi kgm kgv kia kib kic kie kig kii kik kim kir kiv kkb kkc kke kki kkk kkm kkr kkv kma kmb kmc kme kmg kmi kmk kmm kra krc krg kri krk krr krv kva kvb kvi kvk kvm kvr kvv m-r m-v maa mab mac mae mag mai mak mam mar mav mba mbb mbc mbe mbg mbi mbk mbm mbr mbv mc- mca mcb mcc mce mcg mci mck mcm mcr mcv mea meb mec mee meg mei mek mem mer mev mga mgb mgc mge mgi mgk mgm mgr mgv mi- mia mib mic mie mig mii mik mim mir miv mka mkb mkc mke mkg mkk mkm mkr mkv mma mmb mmc mme mmg mmi mmk mmm mmr mmv mra mrb mrc mre mrg mri mrk mrm mrr mrv mva mvb mvc mve mvg mvi mvm mvr mvv ra- raa rab rac rae rag rai rak ram rar rav rba rbb rbc rbe rbg rbi rbk rbm rbr rca rcb rcc rce rcg rci rcm rcr rcv re- rea reb rec ree reg rei rek rem rer rev rga rgb rgc rge rgg rgi rgk rgr rgv ria rib ric rie rig rii rik rim rir riv rkb rkc rke rkg rkk rkm rkv rma rmb rmc rme rmg rmi rmm rmr rmv rra rrb rrc rrg rri rrk rrm rrr rva rvb rvc rve rvg rvi rvm rvr rvv v-a v-e vaa vab vac vae vag vai vak vam var vav vba vbc vbg vbi vbk vbm vbr vbv vca vcc vce vci vcm vcr vea veb vec vee veg vei vek vem ver vga vgc vgg vgm vgr vi- via vib vic vie vig vii vik vim vir viv vka vkb vkg vkm vm- vma vmc vmi vmm vmr vra vrb vrc vre vrg vri vrk vrm vrr vva vvb vvc vvg vvi vvm vvr vvv