-ic -up a-a a-b a-c a-i aaa aab aac aai aao aap aar aas aau aav ab- aba abb abc abi abo abp abr abs abu abv ac- aca acb acc aci aco acp acr acs acu acv ai- aia aib aic aii aio aip air ais aiu aiv aoa aob aoc aoi aoo aop aor aos aou aov ap- apa apb apc api apo app apr aps apu apv ar- ara arb arc ari aro arp arr ars aru arv as- asa asb asc asi aso asp asr ass asu asv au- aua aub auc aui auo aup aur aus auv av- ava avb avc avi avo avp avr avs avu b-p b-u baa bab bac bai bao bap bar bas bau bav bba bbb bbc bbi bbo bbp bbr bbs bbu bca bcb bcc bci bco bcp bcr bcs bcu bcv bi- bia bib bic bii bio bip bir bis biu biv boa bob boc boi boo bop bor bos bou bov bpa bpb bpc bpi bpo bpp bpr bps bpu bpv bra brb bri bro brp brr brs bru brv bsa bsb bsc bsi bso bsp bsr bss bsu bsv bua bub buc bui buo bup bur bus buu bva bvb bvc bvi bvo bvp bvr bvs bvu bvv c-- caa cab cac cai cao cap car cas cau cav cba cbb cbc cbi cbo cbp cbr cbs cbu cbv cca ccb ccc cci cco ccp ccr ccs ccu ccv ci- cia cib cic cii cio cip cir cis ciu civ co- coa cob coc coi coo cop cor cos cou cov cpa cpb cpc cpi cpo cpp cpr cps cpu cpv cra crb crc cri cro crp crr crs cru crv csa csb csc csi cso csp csr css csu csv cua cub cuc cui cuo cup cur cus cuu cuv cva cvb cvc cvi cvo cvp cvr cvs cvu cvv i-v ia- iaa iab iac iai iao iap iar ias iau iav iba ibb ibc ibi ibo ibp ibr ibs ibu ibv ica icb icc ici ico icp icr ics icu icv iia iib iic iii iio iip iir iis iiu io- ioa iob ioc ioi ioo iop ior ios iou iov ipa ipb ipc ipi ipo ipp ipr ips ipu ipv ir- ira irb irc iri iro irp irr irs iru irv is- isa isb isc isi iso isp isr iss isu isv iu- iua iub iuc iui iup iur ius iva ivb ivc ivi ivo ivp ivr ivs ivu ivv o-i oaa oab oac oai oao oap oar oas oau oav ob- oba obb obc obi obo obp obr obs obu obv oc- oca ocb occ oci oco ocp ocr ocs ocu ocv oia oib oic oii oio oip oir ois oiu oiv oo- ooa oob ooc ooi ooo oop oor oos oov op- opa opb opc opi opo opp opr ops opv or- ora orb orc ori oro orp orr ors oru orv os- osa osb osc osi oso osp osr oss osu osv ou- oua ouc oui ouo oup our ous ov- ova ovb ovc ovi ovo ovp ovs ovv p-p paa pab pac pai pao pap par pas pau pav pba pbb pbc pbi pbo pbp pbr pbs pbu pca pcb pcc pci pco pcp pcr pcs pcu pcv pia pib pic pii pio pip pir pis piu piv poa pob poc poi poo pop por pos pou pov ppa ppb ppc ppi ppo ppp ppr pps ppu ppv pra prb prc pri pro prp prr prs pru prv ps- psa psb psc psi pso psp psr pss psu psv pua pub puc pui pup pur pus puu pva pvb pvc pvi pvo pvp pvr pvs pvu pvv ra- raa rab rac rai rao rap rar ras rau rav rba rbb rbc rbi rbo rbp rbr rbs rbu rca rcb rcc rci rco rcp rcr rcs rcu rcv ria rib ric rii rio rip rir ris riv roa rob roc roi roo rop ror ros rou rov rpa rpb rpc rpi rpo rpp rpr rps rpu rpv rra rrb rrc rri rrp rrr rrs rru rsa rsb rsc rsi rso rsp rsr rss rsu rsv rua rub ruc rui ruo rup rur rus ruu ruv rva rvb rvc rvi rvo rvp rvr rvs rvu rvv saa sab sac sai sao sap sar sas sau sav sba sbb sbc sbi sbo sbp sbr sbs sbu sbv sca scb scc sci sco scp scr scs scu scv sia sib sic sii sio sip sir sis siu siv soa sob soc soi soo sop sor sos sou sov spa spb spc spi spo spp spr sps spu spv sr- sra srb src sri sro srp srr srs srv ss- ssa ssb ssc ssi sso ssp ssr sss ssu ssv sua sub suc sui suo sup sur sus suu suv sva svb svc svi svo svp svr svs svu svv ua- uaa uab uac uai uao uap uar uas uau uav uba ubb ubc ubi ubo ubp ubr ubs ubu ubv uca ucb ucc uci uco ucp ucr ucs ucu ucv uia uib uic uii uio uip uir uis uiu uoa uob uoc uoo uop uor uos up- upa upb upc upi upo upp upr ups upu upv ur- ura urb urc uri uro urp urr urs uru usa usb usc usi uso usp usr uss usu usv uua uuc uur uus uuu uva uvb uvc uvo uvs uvu uvv v-a vaa vab vac vai vao vap var vas vau vav vba vbc vbi vbo vbr vbs vbv vca vcc vci vco vcp vcr vcs vcu vi- via vib vic vii vio vip vir vis viu viv voa vob voc voi voo vop vor vos vou vov vpa vpb vpc vpi vpo vpp vpr vps vpu vra vrb vrc vri vrp vrr vrs vru vsa vsb vsc vsi vso vsp vsr vss vsu vsv vup vur vus vuv vva vvb vvc vvi vvo vvr vvs vvv