-ic a-a a-b a-c a-i aaa aab aac aag aai aan aao aar aav ab- aba abb abc abg abi abn abo abr abv ac- aca acb acc acg aci acn aco acr acv ag- aga agb agc agg agi agn ago agr agv ai- aia aib aic aig aii ain aio air aiv an- ana anb anc ang ani ann ano anr anv aoa aob aoc aog aoi aon aoo aor aov ar- ara arb arc arg ari arn aro arr arv av- ava avb avc avg avi avn avo avr baa bab bac bag bai ban bao bar bav bba bbb bbc bbg bbi bbn bbo bbr bca bcb bcc bcg bci bcn bco bcr bcv bga bgb bgc bgg bgi bgn bgo bgr bgv bi- bia bib bic big bii bin bio bir biv bna bnb bnc bng bni bnn bno bnr bnv boa bob boc bog boi bon boo bor bov bra brb brg bri brn bro brr brv bva bvb bvc bvg bvi bvn bvo bvr bvv c-- caa cab cac cag cai can cao car cav cba cbb cbc cbg cbi cbn cbo cbr cbv cca ccb ccc ccg cci ccn cco ccr ccv cga cgb cgc cgg cgi cgn cgo cgr cgv ci- cia cib cic cig cii cin cio cir civ cn- cna cnb cnc cng cni cnn cno cnr cnv co- coa cob coc cog coi con coo cor cov cra crb crc crg cri crn cro crr crv cva cvb cvc cvg cvi cvn cvo cvr cvv gaa gab gac gag gai gan gao gar gav gba gbc gbg gbi gbn gbo gbr gbv gca gcb gcc gcg gci gcn gco gcr gga ggb ggc ggg ggi ggn ggo ggr ggv gia gib gic gig gii gin gio gir giv gna gnb gnc gni gnn gno gnr gnv goa gob goc gog goi gon goo gor gov gra grb grc grg gri grn gro grr grv gva gvb gvc gvg gvi gvn gvo gvr i-v ia- iaa iab iac iag iai ian iao iar iav iba ibb ibc ibg ibi ibn ibo ibr ibv ica icb icc icg ici icn ico icr icv iga igb igc igg igi ign igo igr iia iib iic iii iin iio iir in- ina inb inc ing ini inn ino inr inv io- ioa iob ioc iog ioi ion ioo ior iov ir- ira irb irc irg iri irn iro irr irv iva ivb ivc ivg ivi ivo ivr ivv n-i naa nab nac nag nai nan nao nar nav nba nbb nbc nbg nbi nbn nbo nbr nbv nca ncb ncc ncg nci ncn nco ncr ncv nga ngb ngc ngg ngi ngn ngo nia nib nic nig nii nin nio nir niv nna nnb nnc nng nni nnn nno nnv no- noa nob noc nog noi non noo nor nov nra nrb nrc nrg nri nrn nro nrr nrv nva nvb nvc nvg nvi nvn nvv o-i oaa oab oac oag oai oan oao oar oav ob- oba obb obc obg obi obn obo obr obv oc- oca ocb occ ocg oci ocn oco ocr ocv oga ogc ogg ogi ogn ogo oia oib oic oii oin oio oir oiv on- ona onb onc ong oni onn ono onr oo- ooa oob ooc oog ooi oon ooo oor oov or- ora orb orc org ori orn oro orr orv ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rag rai ran rao rar rav rba rbb rbc rbg rbi rbn rbo rbr rca rcb rcc rcg rci rcn rco rcr rcv rga rgb rgc rgg rgi rgn rgo rgr rgv ria rib ric rig rii rin rio rir riv rna rnb rnc rng rni rnn rno rnr rnv roa rob roc rog roi ron roo ror rov rra rrb rrc rrg rri rrn rrr rva rvb rvc rvg rvi rvn rvo rvr rvv v-a vaa vab vac vag vai van vao var vav vba vbc vbg vbi vbo vbr vbv vca vcc vci vcn vco vcr vga vgc vgg vgn vgo vgr vi- via vib vic vig vii vin vio vir viv vn- vna vng vni vno vnr vnv voa vob voc vog voi von voo vor vov vra vrb vrc vrg vri vrn vrr vva vvb vvc vvg vvi vvo vvr vvv