-al -ic -ol a-a a-b a-c a-i aaa aab aac aag aai aal aao aar ab- aba abb abc abg abi abl abo abr ac- aca acb acc acg aci acl aco acr ag- aga agb agc agg agi agl ago agr ai- aia aib aic aig aii ail aio air al- ala alb alc alg ali all alo alr aoa aob aoc aog aoi aol aoo aor ar- ara arb arc arg ari arl aro arr baa bab bac bag bai bal bao bar bba bbb bbc bbg bbi bbl bbo bbr bca bcb bcc bcg bci bcl bco bcr bga bgb bgc bgg bgi bgl bgo bgr bi- bia bib bic big bii bil bio bir bla blb blc blg bli bll blo blr boa bob boc bog boi bol boo bor bra brb brg bri brl bro brr c-- caa cab cac cag cai cal cao car cba cbb cbc cbg cbi cbl cbo cbr cca ccb ccc ccg cci ccl cco ccr cga cgb cgc cgg cgi cgl cgo cgr ci- cia cib cic cig cii cil cio cir cl- cla clb clc clg cli cll clo clr co- coa cob coc cog coi col coo cor cra crb crc crg cri crl cro crr gaa gab gac gag gai gal gao gar gba gbc gbg gbi gbl gbo gbr gca gcb gcc gcg gci gcl gco gcr gga ggb ggc ggg ggi ggo ggr gia gib gic gig gii gil gio gir gla glb glc glg gli gll glo glr goa gob goc gog goi gol goo gor gra grb grc grg gri grl gro grr ia- iaa iab iac iag iai ial iao iar iba ibb ibc ibg ibi ibl ibo ibr ica icb icc icg ici icl ico icr iga igb igc igg igi igl igo igr iia iib iic iii iil iio iir il- ila ilb ilc ilg ili ill ilo ilr io- ioa iob ioc iog ioi iol ioo ior ir- ira irb irc irg iri irl iro irr la- laa lab lac lag lai lal lao lar lba lbb lbc lbg lbi lbl lbo lbr lca lcb lcc lcg lci lcl lco lcr lga lgb lgc lgg lgi lgl lgo lgr lia lib lic lig lii lil lio lir lla llb llc llg lli lll llo llr loa lob loc log loi lol loo lor lra lrb lrc lrg lri lro lrr o-i oaa oab oac oag oai oal oao oar ob- oba obb obc obg obi obl obo obr oc- oca ocb occ ocg oci ocl oco ocr oga ogc ogg ogi ogl ogo oia oib oic oii oil oio oir ola olb olc olg oli oll olo oo- ooa oob ooc oog ooi ool ooo oor or- ora orb orc org ori orl oro orr ra- raa rab rac rag rai ral rao rar rba rbb rbc rbg rbi rbl rbo rbr rca rcb rcc rcg rci rcl rco rcr rga rgb rgc rgg rgi rgo rgr ria rib ric rig rii ril rio rir rla rlc rlg rli rll rlo rlr roa rob roc rog roi rol roo ror rra rrb rrc rrg rri rrl rrr